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प्रश्न
The SI unit for electric current is the coulomb.
विकल्प
True
False
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
V1, V2 and V3 are the p.ds. across the 1Ω, 2Ω and 3Ω resistors in the following diagram, and the current is 5 A.
Which one of the columns (a) to (d) shows the correct values of V1, V2 and V3measured in volts?
`V_1` `V_2` `V_3`
(a) 1.0 2.0 3.0
(b) 5.0 10.0 15.0
(c) 5.0 2.5 1.6
(d) 4.0 4.0 2.0
An electrician has wired a house in such a way that if a lamp gets fused in one room of the house, all the lamps in other rooms of the house stop working. What is the defect in the wiring?
An electric bulb is rated as 10 W, 220 V. How many of these bulbs can be connected in parallel across the two wires of 220 V supply line if the maximum current which can be drawn is 5 A?
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply. Calculate :
The total current taken from the supply
Explain, why the potential difference across the terminals of a cell is more when the cell is not in use than it is when the cell is being used.
An electrical gadget can give an electric shock to its user under certain circumstances. Mention any two of these circumstances.
Problems for practice:
If 5A current flows through a circuit, then convert the current in terms of microampere?
