91. The fuse in an electric circuit is connected in
92. Working of safety fuses depends upon
1. magnetic effect of the current
2. chemical effect of the current
3. magnitude of the current
4. heating effect of the current
Select the correct answer using the code given below.
1. magnetic effect of the current
2. chemical effect of the current
3. magnitude of the current
4. heating effect of the current
Select the correct answer using the code given below.
93. During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to
94. The unit of electrical power is
95. Safety fuse wire used in domestic electrical appliances is made of metal of low
96. The best conductor of electricity among the following is :
97. Kilowatt-hour is the unit of :
98. Copper wires are generally used for electrical power transmission instead of iron wire because :
99. The earth-wire of a cable is connected to
100. Lightning is caused due to
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