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प्रश्न
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उत्तर
At constant temperature, if current is plotted against potential difference, the plot will be a straight line making some slope with the x-axis as shown in figure below:
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संबंधित प्रश्न
In which direction do electrons flow?
A student made an electric circuit shown here to measure the current through two lamps.
Are the lamps in series or parallel?
(a) Are the lamps in series or parallel?
(b) The student has made a mistake in this circuit. What is the mistake?
(c) Draw a circuit diagram to show the correct way to connect the circuit. Use the proper circuit symbols in your diagram.
Which is the better way to connect lights and other electrical appliances in domestic wiring: series circuits or parallel circuits? why?
Name two effects produced by electric current.
A current of 0.2 A flows through a wire whose ends are at a potential difference of 15 V. Calculate:
(i) The resistance of the wire, and
(ii) The heat energy produced in 1 minute.
State whether the following statement is True or False:
The SI unit of charge is the coulomb.
Problems for practice:
If 3A current flows through a circuit, then convert the current in terms of a milliampere.
Electric current passes through a metallic conductor due to the movement of ______.
