Can you help by answering this question?

What is an example of an electromagnetic?

13 views
in Digital Instrumentation by
An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument will produce a full scale deflection when the current passed through it is 

(a) 10 mA (b) 20 mA (c) 50 mA (d) 100 μA

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

1 Answer

0 votes
by

An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument will produce a full scale deflection when the current passed through it is 100 μA

Related questions

1 answer 43 views

A dc voltmeter has a sensitivity of 1000 Ohm/V. When it measures half full scale in 100 V range, the current through the voltmeter is

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
1 answer 205 views

An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to  (1) 1.414 times dc sensitivity (2) dc sensitivity (3) 0.9 times dc sensitivity (4) 0.707 times dc sensitivity

asked Apr 30, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 23 views

A digital voltmeter uses an A/D converter which needs a start pulse, uses an analog comparator and has a relatively fixed conversion time independent of the applied voltage. The A/D converter is : -  a) Successive Approximation Converter .b) Digital Ramp Converter c) Digital Slope Converter d) All the above

asked Apr 10, 2018 in Instrumentation and control by Shimroz123
1 answer 23 views

 In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of 1% full scale reading, the percentage limiting error is   (A) 1.810% (B) 0.181% (C)12.45% (D) 0.0018%

asked May 17, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 8 views

The sensitivity of a voltmeter using 0-5 mA meter movement is (a) 200 Ω/V (b) 150 Ω/V (c) 100 Ω/V (d) 50 Ω/V 

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 14 views

In a weighted-resistor digital-to-analog converter with 8-bit input, if the resistance corresponding to the MSB is 2K, what will be the resistance corresponding to the LSB?  (a) 250 Ω (d) 512 KΩ (c) 256 KΩ (d) 25.5 Ω

asked May 15, 2018 in Digital Instrumentation by Shimroz123
1 answer 18 views

The operation of a ramp type Digital Voltmeter is based on the principle of (A) Voltage-to-current conversion. (B) Voltage-to-time conversion. (C) Current-to-time conversion. (D) Current-to-frequency conversion.

asked Apr 28, 2018 in Digital Instrumentation by Shimroz123
0 answers 19 views

The full scale range of PMMC voltmeter is 100 V and its sensitivity is 1000 Ω/V. If the meter reads 50 V, the current through the voltmeter is (A) 0.05 mA (B) 0.5 mA (C) 5 mA (D) 50 mA 

asked Jun 4, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 17 views

A PMMC instrument has FSD of 100 μA and a coil resistance of 1 kΩ. To convert the instrument into an ammeter with full scale deflection of 100 mA, the required shunt resistance is (A) 1 Ω (B) 1.001 Ω (C) 0.5 Ω (D) 10 Ω

asked Apr 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 58 views

An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be  (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field

asked Apr 29, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 11 views

An optical fiber cable laid underground has developed a discontinuity at a distance d from the source end. The fault can be located using the instrument  (a) Optical spectrum Analyzer (OSA) (b) Optical Time Domain Reflectometer (OTDR) (c) Optical Power Meter (OPM) (d) Laser Diffractometer (LD)

asked May 15, 2018 in Digital Instrumentation by Shimroz123
1 answer 12 views

Choose the correct statement  (a) Digital multimeters are built using current measuring elements, while analog multimeters are built using voltage measuring units (b) Digital multimeters are built using voltage measuring units, while analog multimeters are built using current measuring units (c) Both digital and analog multimeters are built using voltage measuring units (d) Both digital and analog multimeters are built using current measuring units

asked May 15, 2018 in Digital Instrumentation by Shimroz123
1 answer 8 views

Which code is used in constructing k-maps?  A) Hamming code B) 2 out of 5 code C) BCD code D) Gray code 

asked Jun 17, 2018 in Digital Electronics by Shimroz123
0 answers 32 views

What will happen if a voltmeter is connected like an ammeter in series of the load ? (a) The meter will burn out. (b) The measurement will be too high. (c) The same current will flow as would have been with ammeter in circuit. (d) There will be almost no current in the circuit. 

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 9 views

Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ? (A) There will be almost no current in the circuit. (B) The meter will burn. (C) The measurement will be trio high. (D)  A very high current will flow.

asked May 12, 2018 in Electrical Engineering by Shimroz123
1 answer 7 views

To distinguish between signals having very close values, we need an instrument with  (a) high accuracy (b) high resolution (c) high sensitivity (d) high linearity

asked May 15, 2018 in Digital Instrumentation by Shimroz123
1 answer 36 views

A piezo-electric type pressure sensor has a sensitivity of 1 mV/kPa and a bandwidth of 300 Hz to 300 kHz. For a constant (dc) pressure of 100 kPa, the steady state output of the sensor in millivolt is (A) 0 (B) 2 (C) 4 (D) 6

asked Apr 26, 2018 in Electronics Engineering by Shimroz123
1 answer 31 views

Which of the following instrument can be used for measuring speed of an aeroplane ? (A) orifice plate (B) hot wire anemometer (C) rotameter (D) pitot tube

asked Jun 15, 2018 in Mechanical Engineering by Shimroz123
1 answer 30 views

A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 1010:  (1) 0.3125 V (2) 3.125 V (3) 0.78125 V (4) –3.125 V

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 11 views

A peak reading voltmeter has been calibrated with a sine wave signal and scaled in rms volts. If a square wave signal ± 1V peak is applied, the meter reading will be (a) 0.555 V (b) 0.707 V (c) 1 V (d) 1.75 V

asked May 25, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 16 views

The change in value of an analog signal during the conversion process produces what is called the : -  a) quantization error b) resolution error c) Nyquist error d) sampling error

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 39 views

Explain the basic operation of an oscilloscope with necessary diagram for each section in detail.

asked Mar 2, 2018 in Digital Instrumentation by Quiz
1 answer 18 views

 If the range of an analog transducer is 0 to 10 V, then for a resolution of 5 mV, the bits of ADC will be _____.

asked May 29, 2018 in Transducers and sensors by Shimroz123
1 answer 26 views

When measuring insulation resistance of cables using d.c. source, the galvanometer used should be initially short circuited because  (A) Cables have a low value of capacitance which draws a high value of charging current (B) Cables have a low value of initial resistance (C) Cables have a high value of capacitance which draws a high value of charging current (D) Cables have a low value of capacitance and initial resistance

asked Apr 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 23 views

A 1mA D' Arsonval movement has resistance of 100 Ω. It is to be converted to a 10 V voltmeter. The value of multiplier resistance is  (A) 999 Ω (B) 9999 Ω (C) 9900 Ω (D) 990 Ω 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

A 0 to 300V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by the instrument is 83V. The percentage limiting error is

asked Mar 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 52 views

A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the resolution of the instrument will be (a) 100 mV (b) 99 mV (c) 9 mV (d) 1 mV 

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 29 views

The vertical deflection of an electron beam on the screen of a CRO is measured to be 8 mm. Now, the potential difference between the Y-plates is doubled, and simultaneously the pre-accelerating anode voltage is reduced to half of its previous value. Then, the vertical deflection of the beam on the screen would become (A) 64 mm (B) 32 mm (C) 8 mm (D) 1 mm

asked Apr 28, 2018 in Digital Instrumentation by Shimroz123
1 answer 33 views

Two 220 volt lamps, one of 60 watt and the other of 75 watt are connected in series across a 440 volt supply. The potential difference across 60 watt lamp will be: A) 195 volt B) 220 volt C) 245 volt D) 440 volt

asked Jun 4, 2018 in Electrical Engineering by Shimroz123
1 answer 10 views

Give the classification of the errors used in measuring instrument & state the reason for their occurrence.

asked Sep 6, 2018 by Shimroz123
1 answer 10 views

 The percentage limiting error, in the case of an instrument reading of 8.3V with a 0 to 150V voltmeter having a guaranteed accuracy of 1% full-scale reading is

asked Mar 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 63 views

For an analog PLL, under perfect locking condition, the phase difference (in degrees) between input signal and VCO output should be  A) 0 B) 90 C) 120 D) 180

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 20 views

A toothed type Tacho-generator has 60 teeth. A magnetic pickup is used in conjunction with it. The number of pulses generated per second in the magnetic pick up is : -  a) 3000 b) 1500 c) 1800 d) 1200

asked Apr 10, 2018 in Instrumentation and control by Shimroz123
0 answers 42 views

Explain the basic dual slope ADC technique used in digital multimeters with its diagram and measurement cycle.

asked Mar 2, 2018 in Digital Instrumentation by Quiz
1 answer 13 views

An ammeter has a current change of 0—5A and its internal resistance is 0.2 ohm. In order to Change the range to 0-25 A, wear need to add a resistance of  A) 0.8 ohm in series with the meter B) 1.0 ohm in series with the meter C) 0.04 ohm in parallel with the meter D) 0.05 ohm in parallel with the meter

asked May 20, 2018 in Electrical Measurements and Instrumentation by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,471 questions

7,069 answers

134 comments

3,088 users

...