Advertisements
Advertisements
प्रश्न
Is kWh the unit of electrical energy?
एका वाक्यात उत्तर
Advertisements
उत्तर
Yes, kWh is the unit of electrical energy.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
A current of 4 A flows around a circuit for 10 s. How much charge flows past a point in the circuit in this time?
State the factors on which the strength of electric current flowing in a given conductor depends.
The p.d. across a 3 Ω resistor is 6 V. The current flowing in the resistor will be:
(a) `1/2A`
(b) 1 A
(c) 2 A
(d) 6 A
A car headlight bulb working on a 12 V car battery draws a current of 0.5 A. The resistance of the light bulb is:
Name two effects produced by electric current.
Name the physical quantity which is measured by an ammeter.
What do you mean by short-circuiting?
State two important precautions you should observe while using electricity?
Three fuses available are rated at 2 A, 10 A and 13 A. Which fuse would you chose for an electric wire rated at 3 kW, 250 V? Show how you arrived at your answer.
A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:
The total energy supplied by the battery in 10 minutes
