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संबंधित प्रश्न
The SI unit of charge is volt.
How many microamperes are there in 1 ampere?
Why should the resistance of:
a voltmeter be very large?
Using the circuit given below, state which of the following statement is correct?
(a) When S1 and S2 are closed, lamps A and B are lit.22
(b) With S1 open and S2 closed, A is lit and B is not lit.
(c) With S2 open and S1 closed A and B are lit.
(d) With S1 closed and S2 open, lamp A remains lit even if lamp B gets fused.
In which of the following cases more electrical energy is consumed per hour?
(i) A current of 1 ampere passed through a resistance of 300 ohms.
(ii) A current of 2 amperes passed through a resistance of 100 ohms.
Calculate the amount of energy transferred by a 10 A electric current flowing through a resistor of 5 o for 15 minutes.
Fill in the blank :
1 mA = ............................. A.
What determines the direction of flow of electrons between two charged conductors kept in contact?
Three resistances, of which two are equal when connected in series have an effective resistance of 30 ohms. When the three resistances are connected in parallel, the effective resistances is 3 ohms. Find the values of the individual resistances.
An electric bulb is marked 100 W, 250 V. How much current will the bulb draw if connected to a 250 V supply?
