Question

When a soft iron rod is inserted into the coils, what will be the change observed in the
brightness of bulbs A and B which is connected to 6 v AC and 6 v DC respectively?
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Answer 1

here is yr ans

To convert an AC generator into DC generator ... Then the key is inserted and later removed. ... circuit two resistors of 2 Ω and 4 Ω respectively are connected in to a 6 V battery.

Electromagnetic Induction and Alternating Current .... 6. The electric field lines exert a lateral pressure on account of repulsion ..... b) Electric potential V with distance r due to a point.