Electrical Measurements Objective Online Exam Quiz
Electrical Measurements Objective GK Quiz. Question and Answers related to Electrical Measurements Objective. MCQ (Multiple Choice Questions with answers about Electrical Measurements Objective
The voltage drop across a standard resistor of 0.2 ? is balanced at 83 cm. Find the magnitude of the current, if the standard cell emf of 1.53 V is balanced at 42 m.
Options
A : 13.04 A
B : 10 A
C : 14.95 A
D : 12.56 A
The readings of polar type potentiometer are I = 12.4?27.5°, V = 31.5?38.4°. Then, reactance of the coil will be ________
Options
A : 2.51 ?
B : 2.56 ?
C : 2.54 ?
D : 2.59 ?
In the Wheatstone bridge shown below, if the resistance in each arm is increased by 0.05%, then the value of Vout will be ________
Options
A : 50 mV
B : Zero
C : 5mV
D : 0.1mV
Low resistance is measured by ___________
Options
A : De-Sauty’s bridge
B : Maxwell’s bridge
C : Kelvin double bridge
D : Wein’s bridge
Which of the following method is used for the measurement of Medium Resistance?
Options
A : Kelvin’s double bridge method
B : Carey-Foster bridge method
C : Anderson Bridge
D : Direct-Deflection method
Circuit shows the method of Measurement of low resistance by Ammeter-Voltmeter method. The measured resistance Rm for the given Circuit is _________
Options
A : Rx + Rv
B : R 2 x R x +R v
C : R 2 v R x +R v
D : R x R v R x +R v
The resistance can be measured most accurately by _________
Options
A : Voltmeter-Ammeter method
B : Bridge method
C : Multimeter
D : Megger
Circuit shows the method of Measurement of low resistance by Ammeter-Voltmeter method. What is the percentage error?
Options
A : Zero
B : R x R x +R v × 100
C : –R x R x +R v × 100
D : –R v R x +R v × 100
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