Advertisements
Advertisements
Question
What is the function of a switch in an electric circuit?
Advertisements
Solution
Switch is used to put the current on and off in the circuit.
APPEARS IN
RELATED QUESTIONS
What do you understand by the term resistance?
State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.
Current in a circuit flows :
Assuming that the charges of an electron is 1.6 × 10-19 coulombs, the number of electrons passing through a section of wire per sec, when the wire carries a current of one ampere is:
State two characteristics of resistance in the parallel circuit.
The following Figure represents a negatively charged gold Ieaf electroscope. Label the parts, P, Q, and R and the estate whether each is an insulator or a conductor. Also, indicate the distribution of charges on the system in the diagram.
Write SI unit of
Resistance.
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
