Physics MCQ for Competitive Exams Pdf - 2

Question: 6

Kirchoff’s first law is

(A) Current law

(B) Voltage law

(C) Power law

(D) Heat law

Ans: A

Current law

Question: 7

_____ is a form of Wheatstone’s bridge.

(A) Galvanometer

(B) Photometer

(C) Potentiometer

(D) Metre bridge

Ans: D

Metre bridge

Question: 8

Which of the following offers high resistance to flow of current?

(A) Tungsten

(B) Teflon

(C) Constantan

(D) Manganin

Ans: B

Teflon

Question: 9

The electric current in an external circuit flows from the

(A) Negative to negative terminal

(B) Positive to positive terminal

(C) Negative to positive terminal

(D) Positive to negative terminal

Ans: D

Positive to negative terminal

Question: 10

Kirchoff’s second law is

(A) Current law

(B) Voltage law

(C) Power law

(D) Heat law

Ans: B

Voltage law

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