`5.5 xx 10^(–4)` Magnetic flux lines are passing through a coil of resistance 10 ohm and number of turns 1000. If the number of flux lines reduces to `5 xx 10^(–5)` in 0.1 sec. Then

5.5 × 10^(-4) magnetic flux lines are passing through a coil of resistance 10 ohm and number of turns 1000. If the number of flux lines reduces to 5 × 10^(–5) in 0.1 sec. The electromotive force and the current induced in the coil will be respectively-

The 5xx10^(-4) magnetic flux lines are passing through a coil of 100 turns. If the emf induced through the coil is 5mV, the time interval will be

The number of electrons required to reduce 4.5 xx 10^(–5) g of Al^(+3) is :

The megnetic flux lines of 3 xx 10^(-4) Wb are passing through a coil of 100 turns. If the e.m.f. Induced in the coil is 1.5V, the time interval will be

Represent 10.5 on number line

Magnetic flux passing through a coil is initially 4xx 10^-4 Wb. It reduces to 10% of its original value in t second. If the emf induced is 0.72 mV then t in second is