Asked by Sheila

Could someone tell me how to start to solve this? Please

How much current flows in a 1000-ohm resistor when 1.5 volts are impressed across it?
Answered by Quidditch
Use ohm's law:
voltage = current * resistance
arranging for current: current = voltage / resistance
Answered by Sheila
OK but what would the current be 150 watts? volts?
Answered by Sheila
amps?
Answered by Quidditch
amps = volts / ohms
= 1.5/1000 amps
=0.0015 amps
Answered by Quidditch
The unit of currents is amps.
Answered by Sheila
Ok but what is the answer how do i find the resistance? would it be .oo15 amps? this why i get so confused in this subject it all seems to run together.
Answered by Quidditch
Voltage is measured in volts, current is measured in amps, and resistance is measured in ohms. Ohms law says the relationship between these three items is:
V = I * R
where V = voltage in volts
I = current in amps
R = resistance in ohms

The equation can be rearranged to find resistance or current.
I = V / R
R = V / I

The problem gave two values, resistance and voltage. To find current, use the I = V / R equation.
I = V / R
I = (1.5 volts) / ( 1000 ohms)
I = 0.0015 amps
Answered by ...
this helped me very much
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