EASY
10th CBSE
IMPORTANT
Earn 100

Draw the circuit symbol for a closed switch.

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
Draw the circuit symbol for open switch.
MEDIUM
10th CBSE
IMPORTANT
What is meant by a circuit diagram? Draw a labelled circuit diagram of an electric circuit having a battery of two cells, a closed plug key, a resistor, a bulb, a voltmeter and an ammeter.
MEDIUM
10th CBSE
IMPORTANT
Why is an ammeter likely to burn out if you connect it in parallel?
MEDIUM
10th CBSE
IMPORTANT
A lightning flash carries a charge of 5 C that flows for 5 milliseconds. Calculate the current and the energy if the voltage is 12 MV.
EASY
10th CBSE
IMPORTANT
Explain why conductors conduct electricity while insulators do not.
HARD
10th CBSE
IMPORTANT
What is a voltmeter? How is it connected in an electric circuit to measure the potential difference? Explain using a diagram.
HARD
10th CBSE
IMPORTANT
What is an ammeter? How is an ammeter connected in an electric circuit? Explain with the help of a diagram.
EASY
10th CBSE
IMPORTANT
Explain how we get a continuous flow of current in a metal wire connected to a cell.