Question

A bulb and an ammeter are connected in series in a circuit .when the ciruit is connected to a 6 volt battery the reading of ammeter becomes 0.2A .calculate the resistance of bulb​

Answer 1

Explanation:

If v=6v

.. I= 0.2 A

R=?

V=I R

R = V/I

= 6/0.2

= 60/2

R = 30 ohm

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