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Parallel Circuits - Technical MCQs

Q1:

What is the total resistance?

mcq4_1010_1.gif

A 1.045 k

B 1.545 k

C 2.045 k

D
2.545 k

ANS:B - 1.545 k

P = V^2/R.

R = V^2/P.

= (48*48)/1.491.

= 1.545 kohm.