Question Detail

PHY 102 Test Compilation PHY 102 26 Objective Question

Question

Two electric bulbs have resistances in the ratio 1:2. If they are joined in series, the energy consumed in them is in the ratio ........?
Options
A 1:2
Correct Answer
B 2:1
C 1:4
D 4:1
Correct Answer

Option A is the correct answer.

Detailed Explanation

Same current I in series; P=I2R proportional to R, so ratio = 1:2.

Hint

Same current I in series; P=I2R proportional to R, so ratio = 1:2.

Question Info