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
Write symbol and state function of following component in an electric circuit :
cell
State and define the S.I. unit of resistance.
How are the potential difference (V), current (l) and resistance (R) related?
How many electrons constitute one unit electric charge in SI system?
State and define the SI unit of electric current.
4 × 1020 electrons flow through a circuit in 10 hours. Calculate magnitude of current. [1 e- = 1.6 × 10-19 C]
What do you understand by the term series circuit?
State the factors on which the electrical resistance of a wire depends.
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
