Flux - in webers in a closed circuit of resistance 10 ohm varies with time t in seconds according to the equation -6t2-5t-1- What is the magnitude of the induced current in 0-25 second -

Flux $Φ$ (in weber) in a closed circuit of resistance 10 ohm varies with time t (in sec) according to the equation $Φ = 6 t^{2} - 5 t + 1$ . What is the magnitude of the induced current at t = 1 sec?

Q. Flux

φ

(in water) in a closed circuit of resistance 10

Ω

varies with time t (in sec) according to the equation

φ = 6 t^{2} - 5 t + 1

. What is the magnitude of the induced current at

t = 0.25

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Flux ϕ (in webers) in a closed circuit of resistance 10 ohm varies with time t (in seconds) according to the equation ϕ=6t2−5t+1. What is the magnitude of the induced current in 0.25 second :

The correct option is C 0.2 Aϕ=6t2−5t+1e=dϕdt=12t−5at t=0.25sec|e|=(12/4−5)=|3−5|=2i=e/R=2/10=0.2A

Flux $ϕ$ (in webers) in a closed circuit of resistance 10 ohm varies with time t (in seconds) according to the equation $ϕ = 6 t^{2} - 5 t + 1.$ What is the magnitude of the induced current in 0.25 second :

The correct option is C 0.2 A
$ϕ = 6 t^{2} - 5 t + 1 e = \frac{d ϕ}{d t} = 12 t - 5 a t t = 0.25 s e c | e | = (12 / 4 - 5) = | 3 - 5 | = 2 i = e / R = 2 / 10 = 0.2 A$