The magnetic flux linked with a closed coil (in Wb) varies with time t (in s) as =5 t ^ 2…
Physics · Class 12 · CBSE — Electromagnetic Induction
The magnetic flux linked with a closed coil (in Wb) varies with time t (in s) as \(\phi=5 {t}^{2}+4 {t}-2\) . If the resistance of the circuit is \(14 \Omega\) , the magnitude of induced current in the coil at \(t=1 {~s}\) will be:
- 0.5 A
- 1.0 A
- 1.5 A
- 2.0 A
Answer
(B) 1.0 A
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A sliding rod AB of resistance R is shown in the figure. Here magnetic field B is constant and is out of the…
- A magnetic field B is confined to a region r ≤ a and points out of the paper (the z -axis), r = 0 being the…
- The coefficient of mutual inductance of two coils depends on
- A metal conductor of length 1 m rotates vertically about one of its ends with an angular velocity 5 rad s –1…
- A square of side x metre lies in the x - y plane in a region, where the magnetic field is given by B =B_ 0 (3…
- A rod of length l rotates with a uniform angular velocity w about an axis passing through its middle point…
- A circular coil of radius 8 cm, 400 turns and resistance 2 Ω is placed with its plane perpendicular to the…
- Two coils, A and B are as shown in the figure. A current starts flowing in B as shown, when A is moved toward…
More Electromagnetic Induction questions · Browse all practice questions