Question

Choose the correct option

To vary the current in a circuit, the most preferred device is

(a) a variable resistor
(b) a rheostat
(c) a variable source
(d) all of these​

Answer 1

$\huge\star\mathfrak\red{{Hey Mate...!!}}$

● To vary the current in a circuit, the most preferred device is a rheostat.

Answer 2

Answer:

(a) a variable resistor