Units and Dimensions – 1 – 8

36. Joule x second is the unit of :

(a) energy
(b) momentum
(c) angular momentum
(d) power

ANSWER

EXPLANATION

37. Which of the following is not equal to watt?

(a) joule/second
(b) ampere x volt
(c) (ampere)2 x ohm
(d) ampere/volt 

ANSWER

EXPLANATION

38. Which of the following is not the units of surface tension?

(a) N / m
(b) J / m2
(c) kg / s2
(d) None of these 

ANSWER

EXPLANATION

39. Wb/m2 is equal to :

(a) dyne
(b) tesla
(c) watt
(d) henry

ANSWER

EXPLANATION

40. Dimensional formula for electromotive force is same as that for :

(a) potential
(b) current
(c) force
(d) energy 

ANSWER

EXPLANATION

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