Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series

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Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series across a potential difference of 420 V. Which bulb will work at above its rated voltage

Options

(a) 40 W
(b) 60 W
(c) both 40 W and 60 W
(d) none of the bulbs

Correct Answer:

40 W

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)

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