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प्रश्न
Label the different parts A, B, C, D, E, and F. State the functions of each part. Show in the diagram the direction of flow of current.
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उत्तर
A is a voltmeter to measure the potential difference,
B is an electric resistance to control the current in the circuit,
C is the ammeter to measure the magnitude of an electric current,
D is cell to provide electric current in circuit,
E is an electric key to on and off the circuit,
F is the rheostat to control the current in circuit.
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संबंधित प्रश्न
Name the instrument used to control the current in an electric circuit.
Write symbol and state function of following component in an electric circuit :
rheostat
Explain why does a metal wire when connected to a cell offer resistance to the flow of current.
State Ohm’s law.
Name the physical quantity of which the unit is ohm
A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.
State SI unit of electric charge and define it.
State the kind of charge on a negative ion.
State the kind of charge on a positive ion.
