Which one of the following is the correct expression for electric current?

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Which one of the following is the correct expression for electric current?
| = ΔC/Δt
| = ΔQ/Δt
| = ΔV/Δt
None of the other answers is correct.
| = ΔR/Δt
Transcribed Image Text:Which one of the following is the correct expression for electric current? | = ΔC/Δt | = ΔQ/Δt | = ΔV/Δt None of the other answers is correct. | = ΔR/Δt
When the current through a resistor is increased by a factor of 4, the power
dissipated by it
decreases by a factor of 16.
increases by a factor of 4.
remain unchanged.
decreases by a factor of 4.
increases by a factor of 16.
Transcribed Image Text:When the current through a resistor is increased by a factor of 4, the power dissipated by it decreases by a factor of 16. increases by a factor of 4. remain unchanged. decreases by a factor of 4. increases by a factor of 16.
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