Advertisements
Advertisements
प्रश्न
Which of the following is correct?
पर्याय
Rate of change of charge is electrical power.
Rate of change of charge is current.
Rate of change of energy is current.
Rate of change of current is charge.
Advertisements
उत्तर
Rate of change of charge is current.
APPEARS IN
संबंधित प्रश्न
Why does the cord of an electric heater not glow while the heating element does?
A heating coil has a resistance of 200 Ω. At what rate will heat be produced in it when a current of 2.5 A flows through it?
Which metal is used to make the filament of an electric bulb?
Right or wrong sentence.
Live wire and neutral wires have a 220 V potential difference.
An electric iron draws a current of 4 A when connected to 220 V mains. Its resistance must be:
A fuse wire repeatedly gets burnt when used with a good heater. It is advised to use a fuse wire of:
Assertion: Bending of wire decreases the resistance of the electric wire.
Reason: The resistance of a conductor depends on length, thickness, nature of material and temperature of the conductor.
The following is not a safety device.
Find the odd one out.
In which of the following applications of Iron, rusting will occur most? Support your answer with valid reason.
| A | B | C | D |
 |
 |
 |
 |
