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प्रश्न
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उत्तर
Two differences between charge and mass are:
(i) Electric charge can be positive, negative, or zero while the mass of the body is strictly positive.
(ii) Electric charge is quantized while the quantization of mass is not yet established.
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संबंधित प्रश्न
Name one D.C. source and one A.C. source.
State the two kinds of cell. Give one example of each.
(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.
State Ohm’s law.
State two characteristics of resistance in the parallel circuit.
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.
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
