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

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.

admin:

Related Questions

  1. A student performs an experiment to determine the Young’s modulus of a wire
  2. A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
  3. A spherical drop of mercury having a potential of 2.5 v is obtained as a result
  4. Which gate can be obtained by shorting both the input terminals of a NOR gate?
  5. The magnetic moment of a diamagnetic atom is