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संबंधित प्रश्न
Answer the following question.
With the help of a suitable circuit diagram prove that the reciprocal of the equivalent resistance of a group of resistances joined in parallel is equal to the sum of the reciprocals of the individual resistances.
What do you understand by the open electric circuit?
Draw a neat diagram showing a closed electric circuit.
Write scientific reason.
It is beneficial to carry electrical energy in AC form as it is carried over long distances.
Rahul wants to make an electric circuit. He has a bulb, two wires, a safety pin, and a piece of copper. He does not have any electric cell or battery. Suddenly he gets some idea. He uses lemon instead of a battery and makes a circuit. Will the bulb glow?
Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W).
In which of the electric circuits would the bulb not light up.
Instead of metal wires, a jute string can be used to make a circuit.
In the following circuits (Figure), heat produced in the resistor or combination of resistors connected to a 12 V battery will be
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| (i) | (ii) | (iii) |
When an electric current flows through a copper wire AB as shown in the following figure, the wire
