Advertisements
Advertisements
प्रश्न
(a) Complete the circuit given in Fig. by inserting between the terminals A and C. an ammeter.
(b) In the diagram, mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit when the circuit is complete.
(c) Name and state the purpose of Rh in the circuit.
Advertisements
उत्तर
(a)
(b)
(c) A rheostat is used to control the current in the circuit.
APPEARS IN
संबंधित प्रश्न
When starter motor of a car is switched on for 0.8 s . a charge 24 C passes through the coil of the motor . Calculate the current in the coil .
Define the term potential difference.
State Ohm’s law.
In transferring 1.5 C charge through a wire, 9 J of work is needed. Find the potential difference across the wire.
Write SI unit of
Potential difference
What is the function of a switch in an electric circuit?
A bulb is connected to a cell. How is the resistance of circuit affected if another identical bulb is connected (i) in series, (ii) in parallel, with the first bulb?
What amount of work is required in moving 3 C charge through a potential difference of 6 V?
