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प्रश्न
Complete the following sentence:
A fuse is a short piece of wire of high ......... and low
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उत्तर
A fuse is a short piece of wire of high resistance and low melting point.
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संबंधित प्रश्न
Fill in the folloing blank with suitable words:
A current is a flow of ............... .For this to happen there must be a ............... circuit.
In the circuit shown below, the voltmeter reads 10 V.
(a) What is the combined resistance?
(b) What current flows?
(c) What is the p.d. across 2 Ω resistor?
(d) What is the p.d. across 3 Ω resistor?
What happens to the other bulbs in a series circuit if one bulb blows off?
Tell the odd one out. Give a proper explanation.
What would be the danger involved in replacing a blown fuse with the one which would carry a large current?
In a house there are 6 bulbs of 100 W each used for 4 hours a day, 4 bulbs of 60 W each used for 8 hours a day, an immersion heater of 2.5 kW used for 1 hour per day, and an electric iron of 800 W used for 2 hours per day. Calculate the cost of monthly electric bill for the month of April at the rate of 80 p per unit.
State whether the current is a scalar or vector?
An electric bulb is marked 100 W, 250 V. How much current will the bulb draw if connected to a 250 V supply?
What does the direction of current convey?
