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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

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

Question 3

An ideal voltmeter has _________ equivalent resistance.

A. 0

B. 1

C. -1

D. Infinite

Question 4

An ideal ammeter has ________ equivalent resistance.

A. 0

B. 1

C. -1

D. Infinite

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

Question 6

Digital meters are preferable than analog meters.

A. TRUE

B. FALSE

C. Can be true or false

D. Can not say

Question 7

An ideal voltmeter functions as __________ circuit

A. A short

B. An open

C. A power

D. An infinite

Question 8

An ideal ammeter functions as __________ circuit

A. A short

B. An open

C. A power

D. An infinite

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

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