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संबंधित प्रश्न
Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line.
(c) In which circuit, if one bulb blows out, all other will stop glowing?
Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line.
(d) Which circuit would have less current in it?
Match the pairs.
| ‘A’ Group | ‘B’ Group |
| 1. Free electrons | a. V/R |
| 2. Current | b. Increases the resistance in the circuit |
| 3. Resistivity | c. Weakly attached |
| 4. Resistances in series | d. VA/LI |
A bulb marked 12 V, 24 W operates on a 12 volt car battery for 20 minutes. Calculate:
(i) The current flowing through it, and
(ii) The energy liberated.
Name the principle on which a transformer works.
What should I choose ___________________
b. for getting protection from electric current.
c. to measure the current in the circuit?
Which of the following represents voltage?
Find the odd one out.
Loudspeaker, Bar magnet/magnet, Electric motor, Microphone.
Which of the following is the example expression for Alternating Current?
A charge of 20 C flows through a conductor in 4 s. The electric current through the conductor is:
