ELECTRIC CURRENT AND DRIFT VELOCITY
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Current Electricity

268279 If the electron in a Hydrogen atom makes \(6.25 \times 10^{15}\) revolutions in one second, the current is

1 \(1.12 \mathrm{~mA}\)
2 \(1 \mathrm{~mA}\)
3 \(1.25 \mathrm{~mA}\)
4 \(1.5 \mathrm{~mA}\)
Current Electricity

268280 The current through a wire connected to a condenser varies with time as \(i=(2 t+1) A\)
The charge transport to the condenser from \(t=0\) to \(t=5\) s is

1 \(5 C\)
2 \(55 C\)
3 \(30 C\)
4 \(60 C\)
Current Electricity

268281 A copper wire of cross-sectional area 2.0 \(\mathrm{mm}^{2}\), resistivity \(=1.7 \times 10^{-8} \Omega \mathrm{m}\), carries a current of 1A. The electric field in the copper wire is

1 \(8.5 \times 10^{-5} \mathrm{~V} / \mathrm{m}\)
2 \(8.5 \times 10^{-4} \mathrm{~V} / \mathrm{m}\)
3 \(8.5 \times 10^{-3} \mathrm{~V} / \mathrm{m}\)
4 \(8.5 \times 10^{-2} \mathrm{~V} / \mathrm{m}\)
Current Electricity

268178 When electric field ( \(\vec{E}\) ) is applied on the ends of a conductor, the free electrons starts moving in direction

1 similar to \(\vec{E}\)
2 Oppositeto \(\vec{E}\)
3 Perpendicular to \(\vec{E}\)
4 Cannot be predicted
Current Electricity

268179 Thedrift speed of an electron in a metal is of the order of

1 \(10^{-13} \mathrm{~m} / \mathrm{s}\)
2 \(10^{-3} \mathrm{~mm} / \mathrm{s}\)
3 \(10^{-4} \mathrm{~m} / \mathrm{s}\)
4 \(10^{-30} \mathrm{~m} / \mathrm{s}\)
NEET DIGITAL LIBRARY
Current Electricity

268279 If the electron in a Hydrogen atom makes \(6.25 \times 10^{15}\) revolutions in one second, the current is

1 \(1.12 \mathrm{~mA}\)
2 \(1 \mathrm{~mA}\)
3 \(1.25 \mathrm{~mA}\)
4 \(1.5 \mathrm{~mA}\)
Current Electricity

268280 The current through a wire connected to a condenser varies with time as \(i=(2 t+1) A\)
The charge transport to the condenser from \(t=0\) to \(t=5\) s is

1 \(5 C\)
2 \(55 C\)
3 \(30 C\)
4 \(60 C\)
Current Electricity

268281 A copper wire of cross-sectional area 2.0 \(\mathrm{mm}^{2}\), resistivity \(=1.7 \times 10^{-8} \Omega \mathrm{m}\), carries a current of 1A. The electric field in the copper wire is

1 \(8.5 \times 10^{-5} \mathrm{~V} / \mathrm{m}\)
2 \(8.5 \times 10^{-4} \mathrm{~V} / \mathrm{m}\)
3 \(8.5 \times 10^{-3} \mathrm{~V} / \mathrm{m}\)
4 \(8.5 \times 10^{-2} \mathrm{~V} / \mathrm{m}\)
Current Electricity

268178 When electric field ( \(\vec{E}\) ) is applied on the ends of a conductor, the free electrons starts moving in direction

1 similar to \(\vec{E}\)
2 Oppositeto \(\vec{E}\)
3 Perpendicular to \(\vec{E}\)
4 Cannot be predicted
Current Electricity

268179 Thedrift speed of an electron in a metal is of the order of

1 \(10^{-13} \mathrm{~m} / \mathrm{s}\)
2 \(10^{-3} \mathrm{~mm} / \mathrm{s}\)
3 \(10^{-4} \mathrm{~m} / \mathrm{s}\)
4 \(10^{-30} \mathrm{~m} / \mathrm{s}\)
Join With Us for More Updates
Current Electricity

268279 If the electron in a Hydrogen atom makes \(6.25 \times 10^{15}\) revolutions in one second, the current is

1 \(1.12 \mathrm{~mA}\)
2 \(1 \mathrm{~mA}\)
3 \(1.25 \mathrm{~mA}\)
4 \(1.5 \mathrm{~mA}\)
Current Electricity

268280 The current through a wire connected to a condenser varies with time as \(i=(2 t+1) A\)
The charge transport to the condenser from \(t=0\) to \(t=5\) s is

1 \(5 C\)
2 \(55 C\)
3 \(30 C\)
4 \(60 C\)
Current Electricity

268281 A copper wire of cross-sectional area 2.0 \(\mathrm{mm}^{2}\), resistivity \(=1.7 \times 10^{-8} \Omega \mathrm{m}\), carries a current of 1A. The electric field in the copper wire is

1 \(8.5 \times 10^{-5} \mathrm{~V} / \mathrm{m}\)
2 \(8.5 \times 10^{-4} \mathrm{~V} / \mathrm{m}\)
3 \(8.5 \times 10^{-3} \mathrm{~V} / \mathrm{m}\)
4 \(8.5 \times 10^{-2} \mathrm{~V} / \mathrm{m}\)
Current Electricity

268178 When electric field ( \(\vec{E}\) ) is applied on the ends of a conductor, the free electrons starts moving in direction

1 similar to \(\vec{E}\)
2 Oppositeto \(\vec{E}\)
3 Perpendicular to \(\vec{E}\)
4 Cannot be predicted
Current Electricity

268179 Thedrift speed of an electron in a metal is of the order of

1 \(10^{-13} \mathrm{~m} / \mathrm{s}\)
2 \(10^{-3} \mathrm{~mm} / \mathrm{s}\)
3 \(10^{-4} \mathrm{~m} / \mathrm{s}\)
4 \(10^{-30} \mathrm{~m} / \mathrm{s}\)
For More Updates join with Us
Current Electricity

268279 If the electron in a Hydrogen atom makes \(6.25 \times 10^{15}\) revolutions in one second, the current is

1 \(1.12 \mathrm{~mA}\)
2 \(1 \mathrm{~mA}\)
3 \(1.25 \mathrm{~mA}\)
4 \(1.5 \mathrm{~mA}\)
Current Electricity

268280 The current through a wire connected to a condenser varies with time as \(i=(2 t+1) A\)
The charge transport to the condenser from \(t=0\) to \(t=5\) s is

1 \(5 C\)
2 \(55 C\)
3 \(30 C\)
4 \(60 C\)
Current Electricity

268281 A copper wire of cross-sectional area 2.0 \(\mathrm{mm}^{2}\), resistivity \(=1.7 \times 10^{-8} \Omega \mathrm{m}\), carries a current of 1A. The electric field in the copper wire is

1 \(8.5 \times 10^{-5} \mathrm{~V} / \mathrm{m}\)
2 \(8.5 \times 10^{-4} \mathrm{~V} / \mathrm{m}\)
3 \(8.5 \times 10^{-3} \mathrm{~V} / \mathrm{m}\)
4 \(8.5 \times 10^{-2} \mathrm{~V} / \mathrm{m}\)
Current Electricity

268178 When electric field ( \(\vec{E}\) ) is applied on the ends of a conductor, the free electrons starts moving in direction

1 similar to \(\vec{E}\)
2 Oppositeto \(\vec{E}\)
3 Perpendicular to \(\vec{E}\)
4 Cannot be predicted
Current Electricity

268179 Thedrift speed of an electron in a metal is of the order of

1 \(10^{-13} \mathrm{~m} / \mathrm{s}\)
2 \(10^{-3} \mathrm{~mm} / \mathrm{s}\)
3 \(10^{-4} \mathrm{~m} / \mathrm{s}\)
4 \(10^{-30} \mathrm{~m} / \mathrm{s}\)
NEET DIGITAL LIBRARY
Current Electricity

268279 If the electron in a Hydrogen atom makes \(6.25 \times 10^{15}\) revolutions in one second, the current is

1 \(1.12 \mathrm{~mA}\)
2 \(1 \mathrm{~mA}\)
3 \(1.25 \mathrm{~mA}\)
4 \(1.5 \mathrm{~mA}\)
Current Electricity

268280 The current through a wire connected to a condenser varies with time as \(i=(2 t+1) A\)
The charge transport to the condenser from \(t=0\) to \(t=5\) s is

1 \(5 C\)
2 \(55 C\)
3 \(30 C\)
4 \(60 C\)
Current Electricity

268281 A copper wire of cross-sectional area 2.0 \(\mathrm{mm}^{2}\), resistivity \(=1.7 \times 10^{-8} \Omega \mathrm{m}\), carries a current of 1A. The electric field in the copper wire is

1 \(8.5 \times 10^{-5} \mathrm{~V} / \mathrm{m}\)
2 \(8.5 \times 10^{-4} \mathrm{~V} / \mathrm{m}\)
3 \(8.5 \times 10^{-3} \mathrm{~V} / \mathrm{m}\)
4 \(8.5 \times 10^{-2} \mathrm{~V} / \mathrm{m}\)
Current Electricity

268178 When electric field ( \(\vec{E}\) ) is applied on the ends of a conductor, the free electrons starts moving in direction

1 similar to \(\vec{E}\)
2 Oppositeto \(\vec{E}\)
3 Perpendicular to \(\vec{E}\)
4 Cannot be predicted
Current Electricity

268179 Thedrift speed of an electron in a metal is of the order of

1 \(10^{-13} \mathrm{~m} / \mathrm{s}\)
2 \(10^{-3} \mathrm{~mm} / \mathrm{s}\)
3 \(10^{-4} \mathrm{~m} / \mathrm{s}\)
4 \(10^{-30} \mathrm{~m} / \mathrm{s}\)