Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
KCET2014PhysicsMagnetic Effects of Current

A carbon film resistor has colour code Green Black Violet Gold. The value of the resistor is

Options

  1. A( 50 M )
  2. B( 500 M )
  3. C( 500 5 % M )
  4. D( 500 10 % M )

Correct answer

C. ( 500 5 % M )

Step-by-step solution

Given, colour code on resistor is Green -5 ; Black -0 ; Violet -7 ; Gold -5 % First and second band corresponds to digit, third band corresponds to multiplier and fourth band corresponds to tolerance. Therefore, the value of resistor i 50 10⁷ 5 % =500 10⁶ 5 % =500 5 % M

Practice Magnetic Effects of Current on Quantrex Academy →

More from Magnetic Effects of Current

The current through the circular coil is halved and the radius of the coil is doubled. If B₁ and B₂ are respectively the initial and final magnetic field strength, then: 2026A circular coil of radius r = 10 ,cm having 300 turns carries a current of 2A. The coil is suspended vertically in a uniform magnetic field of strength 0.7 T. If the plane of the c 2026Two long parallel conductors X and Y are placed vertically at a distance d apart. Conductor X carries a current I upwards and conductor Y carries a current 2I downwards. A third lo 2026A proton is moving along negative X axis. If a uniform magnetic field is applied parallel to the positive Z axis, then choose the correct answer from the following options; 1. The 2026The magnetic field at the centre of a wire loop formed by two semicircular wires of radii r₁ = 3.14m and r₂ = 6.28m and carrying a current of I =2A is: 2026If a wire of length ' L ' carrying a current ' i ' is bent in the shape of a semi-circular arc as shown in the figure, then the magnetic field at centre of the arc is 2025If a current of 15 A passes through a solenoid of length 25 cm, radius 2 cm and number of turns 500, then the magnetic moment of the solenoid is 2025The maximum magnetic field produced by a current of 12 A passing through a copper wire of diameter 1.2 mm is 2025 Full Magnetic Effects of Current list All KCET PYQs