MCQ
After switch is closed, current drawn from the battery is (in $A$)
  • A
    $6$
  • B
    $1.5$
  • $3$
  • D
    $4$

Answer

Correct option: C.
$3$
c
Consider the circuit as shown below.

The equivalent resistance of the circuit is,

$R_{ eq }=1 \Omega+\frac{6 \times 3}{6+3} \Omega$

$=3 \Omega$

The current is calculated as,

$i=\frac{V}{R_{ eq }}$

$=\frac{9 V }{3 \Omega}$

$=3 A$

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