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प्रश्न
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उत्तर
संबंधित प्रश्न
Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all connected in series.
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric motor
Draw a neat diagram showing a closed electric circuit.
Increasing the current passing through the wire decreases the magnetic field intensity.
When a circuit is open, _____ cannot pass through it.
In a circuit, if the key is in open (off) condition, then electricity will not flow.
In an electrical circuit three incandescent bulbs A, B and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?
Observe the circuit given:
1. Would any of the bulbs glow when the switch is in the ‘OFF’ position?
2. What will be the order in which the bulbs A, B, and C will glow when the switch is moved to the ‘ON’ position?
In the following arrangement shown in the following figure, the bulb will not glow if the ends A and B are connected with
How is Joule's law effect useful in electric circuits where fuse is used as a safety device?
