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CDS I 2018 GK Q11

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1. 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, 2, 3 and 4

1, 2 and 3 only

3 and 4 only

4 only

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CDS I 2018 GK Q11

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