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प्रश्न
Complete the following sentence:
A fuse is a short piece of wire of high ......... and low
उत्तर
A fuse is a short piece of wire of high resistance and low melting point.
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संबंधित प्रश्न
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.
Calculate the equivalent resistance between A and B in the adjacent diagram.
Distinguish between an open and a closed circuit.
The diagram shows two ways of connecting three lamps P, Q and R to A.C. supply of 220 V.
What is the criteria for selecting a fuse wire?
An electric oven is rated as 1.5 kW, 250 V. If it is connected to a 250 V mains, calculate the
(a) Current drawn,
(b) Energy consumed in 20 hours,
(c) Cost of energy consumed in 20 hours at the rate of Re. 1 per unit.
