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Measuring Voltage and Current - Electric Circuits MCQs

Measuring Voltage and Current MCQs : Here you will find MCQ Questions related to "Measuring Voltage & Current" in Electric Circuits. These Measuring Voltage & Current MCQ Questions Will help you to improve your Electric Circuits knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.




Question 1

In series, _________ is same.

A. current
B. voltage
C. Both A and B
D. None of the above

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Question 2

____________ helps in current measurement by placing it in ____________ with the circuit element.

A. Voltameter, Parallel
B. Ammeter, series
C. Voltmeter, series
D. Ammeter, parallel

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Question 3

An ideal voltmeter has _________ equivalent resistance.

A. 0
B. 1
C. -1
D. Infinite

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Question 4

An ideal ammeter has ________ equivalent resistance.

A. 0
B. 1
C. -1
D. Infinite

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Question 5

__________ are used to measure current (or) voltage signals at discrete points in time known as sampling times.

A. Analog meters
B. Sonometers
C. Digital meters
D. Tachometers

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Question 6

Digital meters are preferable than analog meters.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 7

An ideal voltmeter functions as __________ circuit

A. A short
B. An open
C. A power
D. An infinite

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Question 8

An ideal ammeter functions as __________ circuit

A. A short
B. An open
C. A power
D. An infinite

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Question 9

A 100mv, 5mA d’Arsonval movement is to be used in an ammeter whose full-scale reading is 1A. Calculate RA.

A. 0.7 ohms
B. 0.4 ohms
C. 0.1 ohms
D. 0.3 ohms

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Question 10

A 122mv, 12mA d’Arsonval movement is to be used in voltmeter whose full scale reading is 120v. The resistance inserted by 120v _____________

A. 1200 ohms
B. 12000 ohms
C. 1000 ohms
D. 10000 ohms

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