Can you help by answering this question?

The electrode of a direct are furnace is made of

11 views
in Electrical Measurements and Instrumentation by
True value has been 50 whereas measured value is 40 then the percentage error in the reading will be ______. 

(A) 20% (B) 40% (C) 50% (D) 30%

1 Answer

0 votes
by

True value has been 50 whereas measured value is 40 then the percentage error in the reading will be 20%

Related questions

1 answer 8 views

What is the percentage error when 3 resistors with ratings 100 Ω at 5%, 150 Ω at 6% and 250 Ω at 8% respectively, are connected in series? A) 6.33% B) 6.80% C) 19% D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 27 views

The total power of an AM transmitter having a carrier power of 50 W and the percentage of modulation at 80% is A) 50 W B) 66 W C) 68 W D) 70 W 

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
1 answer 13 views

In a 5 bit weighted resistor D/A converters, the resistor value corresponding to LSB is 40 kΩ, and the resistor value corresponding to MSB will be (A) 0.4 kΩ (B) 3 kΩ (C) 2.8 kΩ (D) 2.5 kΩ

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

What is the percentage of stray losses in DC machine?

asked Mar 8, 2018 in Electronics Engineering by Quiz
1 answer 16 views

Dielectric loss in a capacitor is best measured by (A) Wien Bridge (B) Schering Bridge (C) Anderson Bridge (D) Heaviside-Campbell Equal Ratio Bridge

asked Apr 25, 2018 in Electrical Measurements and Instrumentation 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
1 answer 18 views

The self inductance of a coil can be measured using (A) Wien’s Bridge (B) Schering Bridge (C) Anderson’s Bridge (D) Wheatstone Bridge

asked Apr 28, 2018 in Electrical Measurements and Instrumentation by Shimroz123
2 answers 238 views

The equation of 50 Hz current sine wave having r.m.s. value of 60 A is?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

The load of a consumer is generally measured in terms of : (A) Volts (B) Amperes (C) Ampere hour (D) kW

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 24 views

In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
2 answers 3 views

State the meaning of creeping error in 1 phase energy meter.

asked Sep 6, 2018 by Shimroz123
1 answer 31 views

How can the steady-state error in a system be reduced?  (1) By decreasing the type of system (2) By increasing system gain (3) By decreasing the static error constant (4) By increasing the input

asked May 1, 2018 in Control System 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 19 views

Two transformers A and B having equal outputs and voltage ratios but unequal percentage impedances of 4 and 2 are operating in parallel. The transformer A will be overloaded by 

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 33 views

What is the channel capacity of a noisy channel with conditional probability of error p = 1/2? A) 0 B) 1 C) Infinity D) 2  

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
1 answer 308 views

In order to regulate steady state error to zero, in a negative feedback control system, one employs

asked May 1, 2018 in Control System by Shimroz123
1 answer 23 views

The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity

asked Apr 28, 2018 in Network Analysis by Shimroz123
1 answer 46 views

What is measurement error ?

asked Jan 7, 2018 in Digital Instrumentation by Quiz
1 answer 6 views

Describe the following errors and their compensation: (i) Phase error (ii) Speed error

asked Sep 6, 2018 by Shimroz123
1 answer 23 views

What are the types of error?

asked May 6, 2018 in Digital Instrumentation by Shimroz123
1 answer 11 views

If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

asked Apr 29, 2018 in Control System by Shimroz123
1 answer 14 views

The steady state error of the system can be minimized by

asked Apr 26, 2018 in Control System by Shimroz123
1 answer 9 views

Liquid flow rate is measured using (A) a pirani gauge (B) a pyrometer (C) an orifice plate (D) a bourdon tube

asked Apr 26, 2018 in Electronics Engineering by Shimroz123
1 answer 15 views

The r.m.s. value and mean value is the same in the case of?

asked Mar 24, 2018 in Electrical Engineering by Shimroz123
1 answer 25 views

What is the value of Beta in power BJT?

asked Sep 20, 2017 in Electrical Engineering by Quiz
1 answer 87 views

A 0-10 A ammeter has a guaranteed accuracy of 1% of full scale deflection, the limiting error while reading 2.5 A will be (a) 1% (b) 2% (c) 4% (d) None of these 

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 27 views

In a synchronous generator if the excitation increased from a low value to normal value, with a fixed load  (A) The armature current increases and the power factor decreases  (B) The armature current decreases and the power factor also decreases  (C) The armature current decreases and the power factor increases but is lagging  (D) The armature current decreases and the power factor increases and is leading

asked Apr 29, 2018 in Electrical Machine by Shimroz123
1 answer 22 views

In the case of an unsymmetrical alternating current the average value must always be taken over?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
0 answers 16 views

A compensated wattmeter has its reading corrected for error due to (a) Frequency (b) Friction (c) Power consumed in current coil (d) Power consumed in pressure coil

asked May 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 27 views

For a round wire, the approximate value of fusing current is given by

asked May 3, 2018 in Electrical Engineering by Shimroz123
2 answers 49 views

The r.m.s. value of pure cosine function is?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 20 views

The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of______degrees.

asked Mar 24, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

What is the maximum value of power factor?

asked Mar 19, 2018 in Electric Power Generation by Shimroz123
2 answers 150 views

What is the meaning of RMS value?

asked Dec 9, 2017 in Power Electronics by Quiz
1 answer 40 views

Two waves have frequency of 500 Hz. One is set at its maximum value whereas the other at zero. The phase angle between them will be

asked Apr 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 49 views

In an AC. circuit, a low value of kVAR compared with kW indicates?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 23 views

Which of the following connection of transformers will give highest value of secondary voltage ? (A) Delta primary delta secondary (B) Delta primary star secondary (C) Star primary star secondary (D) Star primary delta secondary

asked May 8, 2018 in Electrical Engineering 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

8,450 questions

7,047 answers

132 comments

3,084 users

...