Advertisements
Advertisements
Question
A device that is used to break an electric circuit is called ______.
Solution
A device that is used to break an electric circuit is called switch.
APPEARS IN
RELATED QUESTIONS
Write scientific reason.
It is beneficial to carry electrical energy in AC form as it is carried over long distances.
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 the circuit diagram below, 10 units of electric charge move past point x every second What is the current in the circuit ______.
What is electric circuit?
State whether true or false. If false, correct the statement.
Ammeter is connected in parallel in any electric circuit.
The ______ is a species of fish that can give electric shocks of up to six hundred fifty watts of electricity.
Paheli connected two bulbs to a cell as shown in Fig. 12.8.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.
Set up the circuit shown in Figure again. Move the key to ‘ON’ position and watch carefully in which direction the compass needle gets deflected. Switch ‘OFF’ the current. Now keeping rest of the circuit intact, reverse the connections at the terminal of the cell. Again switch ‘on’ the current. Note the direction in which the needle gets deflected. Think of an explanation.