ELECTRIC CURRENT AND DRIFT VELOCITY
Current Electricity

268346 The current passing through a conductor is 5 ampere. The charge that passes through that conductor in 5 minute is

1 \(1200 \mathrm{C}\)
2 \(300 \mathrm{C}\)
3 \(1000 C\)
4 \(1500 C\)
Current Electricity

268347 In a hydrogen atom, an electron is revolving with an angular frequency \(6.28 \mathrm{rad} / \mathrm{s}\) around the nucleus. Then the equivalent electric current is ..... \(\times 10^{-19} \mathrm{~A}\)

1 0.16
2 1.6
3 0.016
4 16
Current Electricity

268348 A current of \(1.6 \mathrm{~A}\) is flowing in a conductor. The number of electrons flowing per second through the conductor is

1 \(10^{9}\)
2 \(10^{19}\)
3 \(10^{16}\)
4 \(10^{31}\)
Current Electricity

268349 If an electron revolves in the circular path of radius \(0.5 A^{0}\) at a frequency of \(5 \times 10^{15}\) cycles/ \(\mathrm{sec}\). The equivalent electric current is

1 \(0.4 \mathrm{~mA}\)
2 \(0.8 \mathrm{~mA}\)
3 \(1.2 \mathrm{~mA}\)
4 \(1.6 \mathrm{~mA}\)
Current Electricity

268350 A current flows in a wire of circular cross section with the free electrons travelling with drift velocity \(\vec{V}\). If an equal current flows in a wire of twice the radius, new drift velocity is

1 \(\vec{V}\)
2 \(\frac{\vec{V}}{2}\)
3 \(\frac{\vec{V}}{4}\)
4 \(2 \vec{V}\)
Current Electricity

268346 The current passing through a conductor is 5 ampere. The charge that passes through that conductor in 5 minute is

1 \(1200 \mathrm{C}\)
2 \(300 \mathrm{C}\)
3 \(1000 C\)
4 \(1500 C\)
Current Electricity

268347 In a hydrogen atom, an electron is revolving with an angular frequency \(6.28 \mathrm{rad} / \mathrm{s}\) around the nucleus. Then the equivalent electric current is ..... \(\times 10^{-19} \mathrm{~A}\)

1 0.16
2 1.6
3 0.016
4 16
Current Electricity

268348 A current of \(1.6 \mathrm{~A}\) is flowing in a conductor. The number of electrons flowing per second through the conductor is

1 \(10^{9}\)
2 \(10^{19}\)
3 \(10^{16}\)
4 \(10^{31}\)
Current Electricity

268349 If an electron revolves in the circular path of radius \(0.5 A^{0}\) at a frequency of \(5 \times 10^{15}\) cycles/ \(\mathrm{sec}\). The equivalent electric current is

1 \(0.4 \mathrm{~mA}\)
2 \(0.8 \mathrm{~mA}\)
3 \(1.2 \mathrm{~mA}\)
4 \(1.6 \mathrm{~mA}\)
Current Electricity

268350 A current flows in a wire of circular cross section with the free electrons travelling with drift velocity \(\vec{V}\). If an equal current flows in a wire of twice the radius, new drift velocity is

1 \(\vec{V}\)
2 \(\frac{\vec{V}}{2}\)
3 \(\frac{\vec{V}}{4}\)
4 \(2 \vec{V}\)
Current Electricity

268346 The current passing through a conductor is 5 ampere. The charge that passes through that conductor in 5 minute is

1 \(1200 \mathrm{C}\)
2 \(300 \mathrm{C}\)
3 \(1000 C\)
4 \(1500 C\)
Current Electricity

268347 In a hydrogen atom, an electron is revolving with an angular frequency \(6.28 \mathrm{rad} / \mathrm{s}\) around the nucleus. Then the equivalent electric current is ..... \(\times 10^{-19} \mathrm{~A}\)

1 0.16
2 1.6
3 0.016
4 16
Current Electricity

268348 A current of \(1.6 \mathrm{~A}\) is flowing in a conductor. The number of electrons flowing per second through the conductor is

1 \(10^{9}\)
2 \(10^{19}\)
3 \(10^{16}\)
4 \(10^{31}\)
Current Electricity

268349 If an electron revolves in the circular path of radius \(0.5 A^{0}\) at a frequency of \(5 \times 10^{15}\) cycles/ \(\mathrm{sec}\). The equivalent electric current is

1 \(0.4 \mathrm{~mA}\)
2 \(0.8 \mathrm{~mA}\)
3 \(1.2 \mathrm{~mA}\)
4 \(1.6 \mathrm{~mA}\)
Current Electricity

268350 A current flows in a wire of circular cross section with the free electrons travelling with drift velocity \(\vec{V}\). If an equal current flows in a wire of twice the radius, new drift velocity is

1 \(\vec{V}\)
2 \(\frac{\vec{V}}{2}\)
3 \(\frac{\vec{V}}{4}\)
4 \(2 \vec{V}\)
Current Electricity

268346 The current passing through a conductor is 5 ampere. The charge that passes through that conductor in 5 minute is

1 \(1200 \mathrm{C}\)
2 \(300 \mathrm{C}\)
3 \(1000 C\)
4 \(1500 C\)
Current Electricity

268347 In a hydrogen atom, an electron is revolving with an angular frequency \(6.28 \mathrm{rad} / \mathrm{s}\) around the nucleus. Then the equivalent electric current is ..... \(\times 10^{-19} \mathrm{~A}\)

1 0.16
2 1.6
3 0.016
4 16
Current Electricity

268348 A current of \(1.6 \mathrm{~A}\) is flowing in a conductor. The number of electrons flowing per second through the conductor is

1 \(10^{9}\)
2 \(10^{19}\)
3 \(10^{16}\)
4 \(10^{31}\)
Current Electricity

268349 If an electron revolves in the circular path of radius \(0.5 A^{0}\) at a frequency of \(5 \times 10^{15}\) cycles/ \(\mathrm{sec}\). The equivalent electric current is

1 \(0.4 \mathrm{~mA}\)
2 \(0.8 \mathrm{~mA}\)
3 \(1.2 \mathrm{~mA}\)
4 \(1.6 \mathrm{~mA}\)
Current Electricity

268350 A current flows in a wire of circular cross section with the free electrons travelling with drift velocity \(\vec{V}\). If an equal current flows in a wire of twice the radius, new drift velocity is

1 \(\vec{V}\)
2 \(\frac{\vec{V}}{2}\)
3 \(\frac{\vec{V}}{4}\)
4 \(2 \vec{V}\)
Current Electricity

268346 The current passing through a conductor is 5 ampere. The charge that passes through that conductor in 5 minute is

1 \(1200 \mathrm{C}\)
2 \(300 \mathrm{C}\)
3 \(1000 C\)
4 \(1500 C\)
Current Electricity

268347 In a hydrogen atom, an electron is revolving with an angular frequency \(6.28 \mathrm{rad} / \mathrm{s}\) around the nucleus. Then the equivalent electric current is ..... \(\times 10^{-19} \mathrm{~A}\)

1 0.16
2 1.6
3 0.016
4 16
Current Electricity

268348 A current of \(1.6 \mathrm{~A}\) is flowing in a conductor. The number of electrons flowing per second through the conductor is

1 \(10^{9}\)
2 \(10^{19}\)
3 \(10^{16}\)
4 \(10^{31}\)
Current Electricity

268349 If an electron revolves in the circular path of radius \(0.5 A^{0}\) at a frequency of \(5 \times 10^{15}\) cycles/ \(\mathrm{sec}\). The equivalent electric current is

1 \(0.4 \mathrm{~mA}\)
2 \(0.8 \mathrm{~mA}\)
3 \(1.2 \mathrm{~mA}\)
4 \(1.6 \mathrm{~mA}\)
Current Electricity

268350 A current flows in a wire of circular cross section with the free electrons travelling with drift velocity \(\vec{V}\). If an equal current flows in a wire of twice the radius, new drift velocity is

1 \(\vec{V}\)
2 \(\frac{\vec{V}}{2}\)
3 \(\frac{\vec{V}}{4}\)
4 \(2 \vec{V}\)