ICSE|Exercise TOPIC 2 Magnetism (4 Marks Questions )|6 Videos
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Name an instrument that measures potential difference between two points in a circuit. Difine the unit of potential difference in terms of SI unit of charge and work . Draw the circuit symbols for a (i) veribale resisitor , (ii) a plug key which is closed one . Two electric circutirs I and II are shown below. (i) Which of the two circuits has more resistance? (ii) Through which circuit more current passes? (iii) In which circuit, the potential difference across each resistor is equal? (iv) If R_(1) gt R_(2) gtR_(3) , in which circuit more heat will be produced in R_(1) as compared to other two resistors? .
Name the following. Sl unit of potential difference
State and define the S.I. unit of potential difference.
If the sum of two unit vectors is a unit vector, then the magnitude of their difference is :
The rms value of potential difference V shown in the figure is
The potential difference across 8 ohm resistance is 48 volt as shownin the figure. The value of potential difference across X and Y point will be
In the arrangement shown, a potential difference is applied between points A and B. No capacitor can withstand a potential difference of more than 100 V
The potential difference across 8 ohm resistance is 48 volt as shownin the figure. The value of potential difference across X and Y point will be
In the circuit shown, potential difference between X and Y will be
In the given circuit calculate the potential difference points A and B .
