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3. current electricity — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics3. current electricity1 Mark
MCQ
Consider the circuit shown in the figure
  • ✓
    the current in the $5\, \Omega$ resistor is $2\, A$
  • B
    the current in the $5\, \Omega$ resistor is $1\, A$
  • C
    the potential difference $V_A - V_B$ is $10\, V$
  • D
    the potential difference $V_A- V_B$ is $5\, V$
✓

Answer

Correct option: A.
the current in the $5\, \Omega$ resistor is $2\, A$
a
$R_{e q}=14 \Omega$

$I=\frac{28}{14}=2 A m p$

$V_{A}+3 \times 1-10 \times 1=V_{B}$

$V_{A}-V_{B}=7$ volt

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