155294 If magnetic flux linked with a coil is given by $\phi=5 t^{2}+3 t+16$. Then, induced emf in 4 th sec is

155295 The self-inductance of an air core solenoid of 100 turns is $1 \mathrm{mH}$. The self-inductance of another solenoid of 50 turns (with the same length and cross-sectional area) with a core having relative permeability $\mathbf{5 0 0}$ is

155296 The resonance frequency of the tank circuit of an oscillator when $L=\frac{10}{\pi^{2}} \mathrm{mH}$ and $C=0.04$ $\boldsymbol{\mu F}$ are connected in parallel is

155297 When a DC voltage of $200 \mathrm{~V}$ is applied to a coil of self-inductance $\left(\frac{2 \sqrt{3}}{\pi}\right) \mathrm{H}$, a current of $1 \mathrm{~A}$ flows through it. But by replacing DC source with $\mathrm{AC}$ source of $200 \mathrm{~V}$, the current in the coil is reduced to $0.5 \mathrm{~A}$. Then the frequency of $\mathrm{AC}$ supply is

155294 If magnetic flux linked with a coil is given by $\phi=5 t^{2}+3 t+16$. Then, induced emf in 4 th sec is

155295 The self-inductance of an air core solenoid of 100 turns is $1 \mathrm{mH}$. The self-inductance of another solenoid of 50 turns (with the same length and cross-sectional area) with a core having relative permeability $\mathbf{5 0 0}$ is

155296 The resonance frequency of the tank circuit of an oscillator when $L=\frac{10}{\pi^{2}} \mathrm{mH}$ and $C=0.04$ $\boldsymbol{\mu F}$ are connected in parallel is

155297 When a DC voltage of $200 \mathrm{~V}$ is applied to a coil of self-inductance $\left(\frac{2 \sqrt{3}}{\pi}\right) \mathrm{H}$, a current of $1 \mathrm{~A}$ flows through it. But by replacing DC source with $\mathrm{AC}$ source of $200 \mathrm{~V}$, the current in the coil is reduced to $0.5 \mathrm{~A}$. Then the frequency of $\mathrm{AC}$ supply is

155294 If magnetic flux linked with a coil is given by $\phi=5 t^{2}+3 t+16$. Then, induced emf in 4 th sec is

155295 The self-inductance of an air core solenoid of 100 turns is $1 \mathrm{mH}$. The self-inductance of another solenoid of 50 turns (with the same length and cross-sectional area) with a core having relative permeability $\mathbf{5 0 0}$ is

155296 The resonance frequency of the tank circuit of an oscillator when $L=\frac{10}{\pi^{2}} \mathrm{mH}$ and $C=0.04$ $\boldsymbol{\mu F}$ are connected in parallel is

155297 When a DC voltage of $200 \mathrm{~V}$ is applied to a coil of self-inductance $\left(\frac{2 \sqrt{3}}{\pi}\right) \mathrm{H}$, a current of $1 \mathrm{~A}$ flows through it. But by replacing DC source with $\mathrm{AC}$ source of $200 \mathrm{~V}$, the current in the coil is reduced to $0.5 \mathrm{~A}$. Then the frequency of $\mathrm{AC}$ supply is

155294 If magnetic flux linked with a coil is given by $\phi=5 t^{2}+3 t+16$. Then, induced emf in 4 th sec is

155295 The self-inductance of an air core solenoid of 100 turns is $1 \mathrm{mH}$. The self-inductance of another solenoid of 50 turns (with the same length and cross-sectional area) with a core having relative permeability $\mathbf{5 0 0}$ is

155296 The resonance frequency of the tank circuit of an oscillator when $L=\frac{10}{\pi^{2}} \mathrm{mH}$ and $C=0.04$ $\boldsymbol{\mu F}$ are connected in parallel is

155297 When a DC voltage of $200 \mathrm{~V}$ is applied to a coil of self-inductance $\left(\frac{2 \sqrt{3}}{\pi}\right) \mathrm{H}$, a current of $1 \mathrm{~A}$ flows through it. But by replacing DC source with $\mathrm{AC}$ source of $200 \mathrm{~V}$, the current in the coil is reduced to $0.5 \mathrm{~A}$. Then the frequency of $\mathrm{AC}$ supply is