Two wires of the same material have length  6 cm and 10 cm   and radii 0.5 mm and 1.5 mm respectively. They are connected in series across a battery of  16 V.  The potential difference. across the shorter wire is

Two wires of the same material have length  6 cm and 10 cm   and radii 0.5mm and 1.5mm respectively. They are connected in series across a battery of  16V.  The potential difference. across the shorter wire is

  1. A

    5  V

  2. B

    13.5  V

  3. C

    27  V

  4. D

    10 V

    Register to Get Free Mock Test and Study Material

    +91

    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Solution:

    Length l1=6cm Length l2=10cm Radius r1=0.5mm Radius r2=1.5mm
    V=iRiρℓAV1V2=12×r2r12275

    V1+V2=16;V2=5V127

    V1+5V127=16 V1=16×2732=13.5V

    Chat on WhatsApp Call Infinity Learn

      Register to Get Free Mock Test and Study Material

      +91

      Verify OTP Code (required)

      I agree to the terms and conditions and privacy policy.