The readings of the voltmeter and ammeter in the circuit shown in the diagram are respectively

• A

  $5 \mathrm{~V}, 3 \mathrm{~A}$
• B

  $7 \mathrm{~V}, 3 \mathrm{~A}$
• C

  $5 \mathrm{~V}, 1 \mathrm{~A}$
• Correct answer
  D

  $7 \mathrm{~V}, 1 \mathrm{~A}$

Hence, the correct answer is option: 'D'.