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प्रश्न
What is the criteria for selecting a fuse wire?
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उत्तर
A fuse wire shou Id have high resistance and low melting po int.
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संबंधित प्रश्न
Define the unit of current.
A flash of lighting carries 10 C of charge which flows for 0.01 s. What is the current? If the voltage is 10 MV, what is the energy?
Give three reasons why different electrical appliances in a domestic circuit are connected in parallel.
Consider the circuit given below when A, B and C are three identical light bulbs of constant resistance. 
(a) List the bulbs in order of increasing brightness.
(b) If C burns out, what will be the brightness of A now compared with before?
(c) If B burns out instead, what will be the brightness of A and C compared with before?
How do you think the brightness of two lamps arranged in parallel compares with the brightness of two lamps arranged in series (both arrangements having one cell)?
An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.
State the condition when it is advantageous to connect cells in parallel.
Electric current flows through a circuit only when:
