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Electric Current Questions and Answers (Q&A)

E. Good
Answered: Dec 17, 2018
The SI unit for metering an electric current is the ampere, which is the stream of electrical charge across a surface at the ratio of one coulomb for every second. Electric current is gauged...Read More

1 Answer

590 views
C. Block, English Professor
Answered: Dec 17, 2018
Ampere's force law presents that the force of attraction or repulsion between the two wires carrying currents is equivalent to their lengths and the magnitude of current passing through them. If...Read More

1 Answer

303 views
SDPDtest
Answered: Jul 07, 2020
True

The dark current is also called the reverse bias leakage current and occurs in the presence of no light. The total photocurrent is the sum of both the dark current and the light...Read More

1 Answer

262 views
Sfarthing
Answered: Jul 07, 2020
Electrons are transferred between some of the compounds in this chemical reaction.

1 Answer

248 views
C. Block, English Professor
Answered: Dec 17, 2018
The Biot Savart law is an expression of the magnetic field produced by a steady electric current. Deriving this law entails starting from Maxwell's equations, obtaining and solving...Read More

1 Answer

247 views
E. Good
Answered: Dec 17, 2018
Joule heating, also known as resistive heating, is caused by electrical currents. It is used in incandescent light bulbs, which are phasing out and being replaced by different types of lighting...Read More

1 Answer

232 views
J. Harty, Writer
Answered: Dec 17, 2018
Current flowing in a wire produces a magnetic field around the wire. In a coil, the field from the adjacent turns is the same direction, so it adds up. That is why a coil of wire makes a much...Read More

1 Answer

225 views
C. Block, English Professor
Answered: Dec 17, 2018
This law was named after Jean Baptist Biot and Felix Savart in 1820. The Biot Savart law is an equation that illustrates the magnetic field made by a current carrying wire, permitting the...Read More

1 Answer

224 views
Stephen carpenter
Answered: Jul 07, 2020
Its resistance decreases if the temperature increases

1 Answer

217 views
C. Block, English Professor
Answered: Dec 17, 2018
Voltage and current tend to be proportional. It is better to understand that voltage is the force that causes the current, which is the electromotive force. Energy is pushed like pressure pushes...Read More

1 Answer

213 views

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