Advertisements
Advertisements
Question
(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
Solution
(a)
(b)
(c) A rheostat is used to control the current in the circuit.
APPEARS IN
RELATED QUESTIONS
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
State the unit of electric potential and define it.
State and define the SI unit of electric current.
How is potential difference related to work done and quantity of charge?
State two characteristics of resistances in the series circuit.
Write SI unit of
Electric current,
What is the other name of a variable resistor?
