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संबंधित प्रश्न
Draw circuit symbols for
a cell
______ is the device used to close or open an electric circuit.
Rahul wants to make an electric circuit. He has a bulb, two wires, a safety pin, and a piece of copper. He does not have any electric cell or battery. Suddenly he gets some idea. He uses lemon instead of a battery and makes a circuit. Will the bulb glow?
In which among the following circuits does the bulb glow?
In an electrical circuit three incandescent bulbs A, B and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?
Draw the symbols of the following circuit components.
Switch in off position
In the following arrangement shown in the following figure, the bulb will not glow if the ends A and B are connected with
Write a short note on the different electrical circuits.
An electric motor rated 1100 W is connected to 220 V mains. Find:
- The current drawn from the mains,
- Electric energy consumed if the motor is used for 5 hours daily for 6 days.
- Total cost of energy consumed if the rate of one unit is 5.
How is Joule's law effect useful in electric circuits where fuse is used as a safety device?
