Question

A 120 V lamp-dimming circuit is
controlled by a rheostat and
protected from excessive current
by a 3 A fuse. To what minimum
resistance value can the rheostat
be set without blowing the fuse?
Assume a lamp resistance of 20
ohms.
n​

Answer 1

Answer:

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Step-by-step explanation:

120 V lamp-dimming circuit is

controlled by a rheostat and

protected from excessive current

by a 3 A fuse. To what minimum

resistance value can the rheostat

be set without blowing the fuse?

Assume a lamp resistance of 20

ohms.

n