154885 An ideal choke draws a current of $8 \mathrm{~A}$ when connected to an AC supply of $100 \mathrm{~V}, 50 \mathrm{~Hz}$. A pure resistor draws a current of $10 \mathrm{~A}$ when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of $150 \mathrm{~V}, 40$ Hz. The current in the circuit becomes:

154886 When the current changes from $+2 \mathrm{~A}$ to $-2 \mathrm{~A}$ in 0.05 seconds, an emf of $8 \mathrm{~V}$ is induced in a coil. The coefficient of self inductance of the coil is

154887 If a current of $5 \mathrm{~A}$ in a coil of self inductance 2 $\mathrm{mH}$ is cut off in time $0.1 \mathrm{~s}$, the induced emf in the coil is

154888 A uniformly wound coil of self inductance $1.2 \times$ $10^{-4} \mathrm{H}$ and resistance $3 \Omega$ is broken up into two identical coils. These coils are then connected parallel across a $6 \mathrm{~V}$ battery of negligible resistance. The time constant for the current in the circuit is (neglect mutual inductance)

154890 A condenser of capacity $20 \mu \mathrm{F}$ is first charged and then discharged through a $10 \mathrm{mH}$ inductance. Neglecting the resistance of the coil, the frequency of the resulting vibrations will be

154885 An ideal choke draws a current of $8 \mathrm{~A}$ when connected to an AC supply of $100 \mathrm{~V}, 50 \mathrm{~Hz}$. A pure resistor draws a current of $10 \mathrm{~A}$ when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of $150 \mathrm{~V}, 40$ Hz. The current in the circuit becomes:

154886 When the current changes from $+2 \mathrm{~A}$ to $-2 \mathrm{~A}$ in 0.05 seconds, an emf of $8 \mathrm{~V}$ is induced in a coil. The coefficient of self inductance of the coil is

154887 If a current of $5 \mathrm{~A}$ in a coil of self inductance 2 $\mathrm{mH}$ is cut off in time $0.1 \mathrm{~s}$, the induced emf in the coil is

154888 A uniformly wound coil of self inductance $1.2 \times$ $10^{-4} \mathrm{H}$ and resistance $3 \Omega$ is broken up into two identical coils. These coils are then connected parallel across a $6 \mathrm{~V}$ battery of negligible resistance. The time constant for the current in the circuit is (neglect mutual inductance)

154890 A condenser of capacity $20 \mu \mathrm{F}$ is first charged and then discharged through a $10 \mathrm{mH}$ inductance. Neglecting the resistance of the coil, the frequency of the resulting vibrations will be

154885 An ideal choke draws a current of $8 \mathrm{~A}$ when connected to an AC supply of $100 \mathrm{~V}, 50 \mathrm{~Hz}$. A pure resistor draws a current of $10 \mathrm{~A}$ when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of $150 \mathrm{~V}, 40$ Hz. The current in the circuit becomes:

154886 When the current changes from $+2 \mathrm{~A}$ to $-2 \mathrm{~A}$ in 0.05 seconds, an emf of $8 \mathrm{~V}$ is induced in a coil. The coefficient of self inductance of the coil is

154887 If a current of $5 \mathrm{~A}$ in a coil of self inductance 2 $\mathrm{mH}$ is cut off in time $0.1 \mathrm{~s}$, the induced emf in the coil is

154888 A uniformly wound coil of self inductance $1.2 \times$ $10^{-4} \mathrm{H}$ and resistance $3 \Omega$ is broken up into two identical coils. These coils are then connected parallel across a $6 \mathrm{~V}$ battery of negligible resistance. The time constant for the current in the circuit is (neglect mutual inductance)

154890 A condenser of capacity $20 \mu \mathrm{F}$ is first charged and then discharged through a $10 \mathrm{mH}$ inductance. Neglecting the resistance of the coil, the frequency of the resulting vibrations will be

154885 An ideal choke draws a current of $8 \mathrm{~A}$ when connected to an AC supply of $100 \mathrm{~V}, 50 \mathrm{~Hz}$. A pure resistor draws a current of $10 \mathrm{~A}$ when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of $150 \mathrm{~V}, 40$ Hz. The current in the circuit becomes:

154886 When the current changes from $+2 \mathrm{~A}$ to $-2 \mathrm{~A}$ in 0.05 seconds, an emf of $8 \mathrm{~V}$ is induced in a coil. The coefficient of self inductance of the coil is

154887 If a current of $5 \mathrm{~A}$ in a coil of self inductance 2 $\mathrm{mH}$ is cut off in time $0.1 \mathrm{~s}$, the induced emf in the coil is

154888 A uniformly wound coil of self inductance $1.2 \times$ $10^{-4} \mathrm{H}$ and resistance $3 \Omega$ is broken up into two identical coils. These coils are then connected parallel across a $6 \mathrm{~V}$ battery of negligible resistance. The time constant for the current in the circuit is (neglect mutual inductance)

154890 A condenser of capacity $20 \mu \mathrm{F}$ is first charged and then discharged through a $10 \mathrm{mH}$ inductance. Neglecting the resistance of the coil, the frequency of the resulting vibrations will be

154885 An ideal choke draws a current of $8 \mathrm{~A}$ when connected to an AC supply of $100 \mathrm{~V}, 50 \mathrm{~Hz}$. A pure resistor draws a current of $10 \mathrm{~A}$ when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of $150 \mathrm{~V}, 40$ Hz. The current in the circuit becomes:

154886 When the current changes from $+2 \mathrm{~A}$ to $-2 \mathrm{~A}$ in 0.05 seconds, an emf of $8 \mathrm{~V}$ is induced in a coil. The coefficient of self inductance of the coil is

154887 If a current of $5 \mathrm{~A}$ in a coil of self inductance 2 $\mathrm{mH}$ is cut off in time $0.1 \mathrm{~s}$, the induced emf in the coil is

154888 A uniformly wound coil of self inductance $1.2 \times$ $10^{-4} \mathrm{H}$ and resistance $3 \Omega$ is broken up into two identical coils. These coils are then connected parallel across a $6 \mathrm{~V}$ battery of negligible resistance. The time constant for the current in the circuit is (neglect mutual inductance)

154890 A condenser of capacity $20 \mu \mathrm{F}$ is first charged and then discharged through a $10 \mathrm{mH}$ inductance. Neglecting the resistance of the coil, the frequency of the resulting vibrations will be