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प्रश्न
The SI unit for electric current is the coulomb.
विकल्प
True
False
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उत्तर
The SI unit for electric current is the coulomb - false.
Correct Statement:
The SI unit of electric current is Ampere.
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संबंधित प्रश्न
Compare how an ammeter and a voltmeter are connected in a circuit.
If the lamps are both the same in the figure given below and if A1 reads 0.50 A, what do A2, A3, A4 and A5 read?
Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:
(a) for decorating a hotel building from outside?
A given wire of resistance 1 Ω is stretched to double its length. What will be its new resistance?
Complete the following sentence:
Fuse wire has a ............ Melting point and it is made of an alloy of ......... and if the current in a circuit rises too high, the fuse wire ...........
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.
Electrical appliances have voltage and power ratings as listed below. Which
has the larger working resistance?
| Appliances | Voltage (V) | Power (W) |
| (a) Washing machine | 250 | 3000 |
| ( b) Television | 240 | 160 |
| (c)240 | 240 | 1500 |
| ( d) Hair curler | 250 | 20 |
| ( e) Car head lamp | 12 | 36 |
An electric bulb is marked 100 W, 250 V. How much current will the bulb draw if connected to a 250 V supply?
Name any two devices, which are working on the heating effect of the electric current.
The flow of electric charge per unit time is called potential difference.
