1.

(A) : A spark occur between the poles of a switch when the switch is opened. (R) : Current flowing in the conductor produces magnetic field.

Answer»

Both 'A' and 'R' are TRUE and 'R' is the correct explanation of 'A'.
Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
'A' is true and 'R' is false
'A' is false and 'R' is false

Answer :B


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