Physics
Physics, 30.07.2019 20:30, sarahelisabeth444

Ohm’s law describes the relationship between which quantities? voltage, resistance, and ohms resistance, current, and amperes current, voltage, and resistance amperes, ohms, and current

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Physics, 04.08.2019 05:30, rairaibabycakez9578
In a simple electric circuit, ohm's law states that v=irv=ir, where vv is the voltage in volts, ii is the current in amperes, and rr is the resistance in ohms. assume that, as the battery wears out, the voltage decreases at 0.030.03 volts per second and, as the resistor heats up, the resistance is increasing at 0.040.04 ohms per second. when the resistance is 200200 ohms and the current is 0.040.04 amperes, at what rate is the current changing?
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Physics, 04.10.2019 19:00, matty198
Acamcorder has a power rating of 12 watts. if the output voltage from its battery is 3 volts, what current does it use? the current in a hair dryer measures 13 amps. the resistance of the hair dryer is 9 ohms. what is the voltage? which of the following statements about ohm’s law is true? a. to increase the current, decrease the resistance. b. ohm’s law relates power, current and resistance. c. increasing the voltage decreases current if resistance stays the same. d. keeping the same voltage and decreasing resistance decreases the current. a 1.5m wire carries a 7 a current when a potential difference of 53 v is applied. what is the resistance of the wire?
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Mathematics, 17.10.2019 19:00, RoyALP
The voltage v (in volts) across an electirc circuit is given by ohm’s law: v = ir, where i is the current (in amperes) flowing through the circuit and r is the resistance (in ohms). if two circuits, one with resistance r1 and the other with resistance r2, are placed in parallel, then their combined resistance r is given by 1 r = 1 r1 + 1 r2 . suppose the current is 2 amperes and increasing at a rate of 10−1 amperes per second, r1 is 3 ohms and increasing at 0.5 ohms per second, and r2 is 5 ohms and decreasing at 0.1 ohms per second. calculate the rate at which the voltage is changing.
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