Chemistry

Chemistry, 08.10.2019 00:30, cbkhm

Can you explain what happens to resistance when voltage is increased?

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Physics, 27.06.2019 23:30, Jhart1234

Choose all of the true statements regarding the relationship between voltage, resistance, and current. current is measured in amps and is represented by the symbol "δ" the relationship between current, voltage, and resistance is mathematically defined by ohm's law. current is the flow of electrons through a circuit. ohm's law is mathematically represented by the equation v=i/r when solving for resistance in a current and both voltage and current are known values, the equation to solve reads i =v*r if the voltage in a circuit is increased, the current will also increase.

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Physics, 15.07.2019 22:40, Haleysaraya1

Can yall me? a. what is the effect on the current through a circuit of steady resistance when the voltage is increased by a factor of 2? find the ratio of the current after the change of voltage ifinal1 and the current before the change of voltage iinitial1. b. what is the effect on the current if both voltage and resistance are increased by a factor of 2? find the ratio of the current after the change of voltage and resistance ifinal2 and the current before the change of voltage and resistance iinitial2.

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Physics, 02.08.2019 04:50, juniieb

You are asked to explain the relationship between current and voltage. select the statement that would be an accurate reply. a. voltage is the force that resists the flow of electricity; if we increase the voltage, and do not change the resistance, we will decrease the current. b. voltage is the force that drives electric current. when we increase the voltage, and do not change the resistance, we have an increase in current. c. voltage is how much current passes a point in a given time. if we want to increase the voltage, we would need to increase the current. d. voltage describe the amount that a material resists the flow of electrons. if we want to increase the voltage we need to increase the resistance.

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Physics, 20.11.2019 17:31, drew1t

Which of the following explains why international travelers need to use special adapters when plugging a device designed to operate in the u.s. into a wall outlet in europe (i.e., vrms in the u.s. is 120 v, while vrms in europe is 240 v)? a. the increased voltage causes the device's resistance to increase, and the device won't work. b. the increased voltage causes the device's resistance to decrease, and the device will overheat. c. the increased voltage causes an increase in power usage, and the device will overheat. d. the increased voltage causes a decrease in power usage, and the device won't work.

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