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प्रश्न
Fuse is
विकल्प
a switch
a wire with low resistance
a wire with high resistance
a protective device for breaking an electric circuit
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उत्तर
A protective device for breaking an electric circuit.
APPEARS IN
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 closed electric circuit
Find the odd one out and give its explanation.
What is the potential difference?
Higher Order Question
A student made a circuit by using an electric cell, a switch, a torch bulb (fitted in the bulb holder), and copper connecting wires. When he turned on the switch, the torch bulb did not glow at all. The student checked the circuit and found that all the wire connections were tight.
- What could be the possible reason for the torch bulb not glowing even when the circuit appears to be complete?
______ is a kind of fish which is able to produce an electric current.
A child has drawn the electric circuit to study Ohm’s law as shown in Figure. His teacher told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections.
Name the device used these days in place of electric fuses in electrical circuits.
Match the following
| 1. | Insulator | a. | Coulomb |
| 2. | Conductor | b. | Electric circuit |
| 3. | Closed path | c. | Copper |
| 4. | Electric charge | d. | Rubber |
Paheli connected two bulbs to a cell as shown in the following figure.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
