# The range of a dc milliammeter can be extended by utilizing a...

13 views
The range of a dc milliammeter can be extended by utilizing a

A) Series high resistance B) Series low resistance C) Shunt of high resistance D) Shunt of low resistance

## 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): Email me at this address if my answer is selected or commented on: Privacy: Your email address will only be used for sending these notifications. Anti-spam verification: Are you a robot ? (Y = Yes / N = No) .captcha_q{margin-right:10px;color:#00C;} #response_field{display:none;} .q2apro_captcha { margin-bottom:20px; } To avoid this verification in future, please log in or register.

## Related questions

1 answer 25 views

Range of a voltmeter can be extended by connecting a

0 answers 21 views

DC ammeter has a resistance of 0.1 Ω and its current range is 0-100 A. If the range is to be extended to 0-300 A, what shunt resistance need to be connected?  A) 0.025 Ω B) 0.05 Ω C) 0.015 Ω D) 0.03 Ω

1 answer 12 views

The measurement range of an ammeter can be increased by using a:

1 answer 23 views

A 10A DC Ammeter has a resistance of 0.1 Ω is to be extended to 50 A, the required shunt wire is A) Manganin wire of 20 m Ω B) Constantan wire of 20 m Ω C) Manganin wire of 25 m Ω D) Constantan wire of 25 m Ω

2 answers 35 views

The fall in speed of a dc generator due to increase in load can be corrected by  (1) cooling the armature.. (2) increasing the excitation. (3) reducing the load voltage. (4) increasing the input to the prime mover

0 answers 17 views

The efficiency of a solar cell can be expected in the range : (A) 10 to 15 percent (B) 25 to 30 percent (C) 45 to 60 percent (D) 70 to 80 percent

0 answers 70 views

. If the peak transmitted power in a radar system is increased by a factor of 16, the maximum range will be increased by a factor of : (A) 2 (B) 4 (C) 8 (D) 16

1 answer 26 views

An iron cored inductance coil can be modelled, over a normal operating range of networks ,as A) non-Linear bilateral element B) linear bilateral element C) linear time varying element D) non-linear time invariant element

1 answer 126 views

How range of A.C. ammeter & A.C. voltmeter is extended? Draw suitable diagram.

1 answer 12 views
1 answer 16 views

In dc choppers for chopping period T, the output voltage can be controlled by FM by varying   (A) T keeping Ton constant (B) Ton keeping T constant (C) Toff keeping T constant (D) None of the above

0 answers 21 views

If the antenna diameter in a radar system is increased by a factor of 4, the maximum range will be increased by a factor of  (a) 2 (b) 4 (c) 8 (d) 16

2 answers 74 views

The sum of product expression for a Boolean function can be derived from its truth table by (a) AND operation of the product terms. (b) NOR operation of the product terms. (c) OR operation of the product terms. (d) NAND operation of the product terms.

1 answer 16 views

The power delivered to a three-phase load can be measured by the use of 2 wattmeter only when the A. Load is balanced B. 3 -phase load is connected to the source through 3 wires C. Load is unbalanced D. 3 -phase load is connected to the source through 4 wires

1 answer 24 views

The inductance of a coil can be increased by?

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

1 answer 24 views

The property of materials by which they can be drawn into wires is known as: A) malleability B) elasticity C) creep D) ductility

1 answer 11 views

Eddy current losses in transformer cores can be reduced by the use of  1. Solid cores  2. Laminated cores  3. Ferrites  Select the correct answer using the codes given below : (a) 2 and 3 only (b). 1 and 2 only (c) 1 and 3 only (d) 1, 2 and 3

1 answer 18 views

In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of?

1 answer 25 views

Thermocouple instruments can be used for a frequency range upto   (a) 100Hz (b) 5000 Hz (c) 1 MHz (d) 50 MHz and above

0 answers 18 views
0 answers 12 views

The voltage profile of a n-bus power system can be improved by controlling the (A) load angles (B) active power flows (C) reactive power flows (D) complex power flows

0 answers 21 views

The active power of a synchronous generator can be varied mainly by (a) changing field excitation (b) changing of prime mover speed (c) both (a) and (b) (d) none of the above

1 answer 17 views

The power delivered to a 3-phase load can be measured by the use of two wattmeters only when the  (a) load is unbalanced (b) load is balanced (c) three phase load is connected to the source through three wires (d) three phase load is connected to the source through four wires

1 answer 11 views

The resolving power of a spectrometer consisting of collimator, a grating and a telescope can be increased by (A) increasing the angular magnification of the telescope (B) increasing the period of the grating (C) decreasing the period of the grating (D) decreasing the slit-width of the collimator

1 answer 14 views

Whether a given point in the S-plane lies on the Root Locus of a system can be determined by (A) Magnitude criterion (B) Angle Criterion (C) Both Magnitude and Angle Criteria (D) Break-in and Break-away Criteria

0 answers 14 views

By which of the following connections, one-bit binary counter can be obtained from a JK flip-flop?  A) J = K = 0 B) J = K = 1 C) J = K’ D) None of these

1 answer 17 views
1 answer 14 views
1 answer 11 views

The conductivity of a conductor can be increased by?

1 answer 14 views

The speed of a D.C. motor can be controlled by varying  1. Its flux per pole 2. Resistance of armature circuit 3. Applied voltage 4. All of the above

1 answer 20 views
1 answer 12 views
1 answer 23 views
1 answer 30 views
1 answer 22 views
1 answer 20 views
1 answer 20 views

Direction of rotation of three phase induction motor can be reversed by   (a) interchanging connections of any two phases (b) disconnecting any one phase (c) (a) and (b) both (d) None of the above

1 answer 10 views

The deflection torque can be produced by:  (1) Gravity control (2) Spring control (3) Airfriction (4) Magnetically

0 answers 16 views

In an instrument transformer the errors can be reduced by  (A) Using high reluctance core (B) Using small cross sectional area (C) Using low permeability materials (D) Using low reluctance core

1 answer 14 views

Turn on time of an SCR can be reduced by using a:

1 answer 15 views

Measurement of power and power factor of a 3-phase system by two wattmeter method can be obtained in case of  1. Balanced load and balanced source  2. Balanced source with 3-phase 3-wire unbalanced load  3. Unbalanced source with 3-phase 3-wire balanced load  4. Balanced source with 3-phase 4-wire unbalanced load  5. unbalanced and unbalanced source    (a) 1 only (b) 2, 3 and 5 (c) 1, 2, 3, 4 and 5 (d) 1, 2, 3 and 5

1 answer 31 views

Stability of a transmission line can be increased by

1 answer 330 views
1 answer 14 views
1 answer 9 views

A medium line with parameters A, B, C, D is extended by connecting a short line of impedance Z in series The overall ABCD parameters of the series combination will be?

1 answer 11 views

In a household single phase induction type wattmeter, the meter can be reversed by: - a) reversing the supply terminals b) reversing the load terminal c) opening the meter connection and reversing either the potential coil terminals or current coil terminals d) opening the meter and reversing the connection of both the potential coil terminals and current coil terminals

1 answer 10 views

A keyword can be used as an identifier by using the  A) prefix # B) prefix @ C) prefix \$ D) prefix x

0 answers 11 views

A class can be converted to a thread by implementing the interface ___  (1) Thread (2) Runnable (3) both a and b (4) none