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Current I = V/R

V = 9V

R = 100ohm

I = 9V/100ohm = 90mA

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Related Questions

Actual internal resistance of 1.5 volt battery?

The value of internal resistance of 1.5 volt battery is 0.5 ohms.


When a 12 volt battery is connected across an unkown resistance there is a current of 2.5m amphere in the circuit find the value of resistance of the resistor?

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Google Ohms Law. It will give you all the formulas you need to compute Ohms,Volts and Amps. Simple formulas :-)


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How much resistance is in the circuit if it uses a current of 10ma?

Just use Ohms Law: V=IR, that is, voltage (in Volt) = current (in Ampere) x resistance (in Ohms).


What is the current when a 12 volt battery is connected through a resistance of 25 ohms?

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How much curretn is in a circuit that includes a 9- volt battery and bulb with a resistance of 12 ohms?

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What does ohm sign symbolize?

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