Advertisements
Advertisements
प्रश्न
Name the instrument used to control current in an electric circuit.
Advertisements
उत्तर
Rheostat is used to control the current in the circuit.
APPEARS IN
संबंधित प्रश्न
Draw circuit symbols for
fixed resistance
Draw circuit symbols for
A closed switch
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric motor
In any electric circuit, when the switch is on and the current flows through it why do the wire, switches, bulb or devices become hot?
If you touch an electric wire carrying current you get a shock, but if on the same wire the birds sit they do not get any shock/current. Explain why?
______ 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?
Draw the circuit diagram for the following series connection

In an electric circuit a fuse is a ______ ______ to prevent possible fire.
What are the essential components of an electric circuit?
