Magnetic flux linked with conducting loop of resistance R-2 - varies with time as - -3F-4t- What is induced current in loop at t - 1 s-

Ε = dϕdt ε =6t+4 I=102=5A ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

RMS Value of Current in Sinusoidal AC

Magnetic flux...

Question

Magnetic flux linked with conducting loop of resistance $R = 2 Ω$ varies with time as $ϕ = 3 F + 4 t .$
What is induced current in loop at t = 1 s?

5 A

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

2.5 A

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10 A

No worries! We‘ve got your back. Try BYJU‘S free classes today!

20 A

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 5 A
$ε = - \frac{d ϕ}{d t}$

$ε = 6 t + 4$

$I = \frac{10}{2} = 5 A$

Suggest Corrections

Similar questions

The magnetic flux $ϕ$ (in weber) linked with a coil of resistance $10 Ω$ varies with time t (in second) as $ϕ = 8 t^{2} - 4 t + 1$ . The current induced in the coil at t = 0.1 sec is

Q. Magnetic flux

ϕ

(in

Weber

) linked with a closed circuit of resisitance

10 Ω

varies with time

t

(in

seconds

) as

ϕ = 5 t^{2} - 4 t + 1

. The induced emf in the circuit at

t = 0.2 sec

Q. Magnetic flux

ϕ

(in Webers) linked with a closed circuit of resisitance

100 Ω

varies with time

t

(in seconds) as

ϕ = 5 t^{2} - 4 t + 1

. The induced current in the circuit at

t = 0.2 sec

Q. Magnetic flux

ϕ

(in Weber) linked with a closed circuit of resistance

10 o h m

varies with time

t

(in second) as

ϕ = 5 t^{2} - 4 t + 1

. The induced emf in the circuit at

t = 0.2 s e c

is:

Q. Magnetic flux

ϕ

(in weber) linked with a closed circuit of resistance

10 Ω

varies with time t (in second) as

ϕ = 5 t^{2} - 4 t + 1

. The induced electromotive force in the circuit at t = 0.2 second is

Join BYJU'S Learning Program

Magnetic flux linked with conducting loop of resistance R=2 Ω varies with time as ϕ=3F+4t. What is induced current in loop at t = 1 s?

The correct option is A 5 Aε=−dϕdt ε=6t+4 I=102=5A

Magnetic flux linked with conducting loop of resistance $R = 2 Ω$ varies with time as $ϕ = 3 F + 4 t .$
What is induced current in loop at t = 1 s?

The correct option is A 5 A
$ε = - \frac{d ϕ}{d t}$

$ε = 6 t + 4$

$I = \frac{10}{2} = 5 A$