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प्रश्न
What is the other name of a variable resistor?
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उत्तर
Rheostat is the variable name of electrical resistance.
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संबंधित प्रश्न
State three differences between the primary and secondary cells.
(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.
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State and define the S.I. unit of resistance.
Name the physical quantity of which the unit is ohm
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The following Figure represents a negatively charged gold Ieaf electroscope. Label the parts, P, Q, and R and the estate whether each is an insulator or a conductor. Also, indicate the distribution of charges on the system in the diagram.
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