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A 5 ohm resistor a 20 ohm resistor and a 25 ohm resistor are all connected in series to a 100 volt power source What is the current running through the circuit?
Wiki User
∙ 14y ago
To find the current running through the circuit, you need to use Ohm's Law, which states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points, and inversely proportional to the resistance between them.
You can use the following formula to calculate the current:
I = V / R
Where I is the current, V is the voltage, and R is the resistance.
In this case, the total resistance of the circuit is the sum of the individual resistances, which is 5 ohms + 20 ohms + 25 ohms = 50 ohms.
Therefore, the current flowing through the circuit is:
I = 100 volts / 50 ohms = 2 amps.
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To calculate the current in the circuit, we need to apply Ohm's Law which states that the current (I) flowing through a resistor is equal to the voltage (V) across the resistor divided by its resistance (R):
I = V / R
Since the resistors are connected in series, the same current flows through all of them.
The total resistance of the circuit is the sum of the individual resistances:
Rtotal = R1 + R2 + R3
Substituting the given values, we have:
Rtotal = 5 ohm + 20 ohm + 25 ohm = 50 ohm
The total current in the circuit is:
I = V / Rtotal
I = 100 V / 50 ohm
I = 2 amps
Therefore, the current running through the circuit is 2 amps.
Wiki User
∙ 14y ago2 amps. 100 volts divided by 50 ohms = 2 amps. E/R=I.
David Bowen
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∙ 14y ago2fools-4rm kara linwood and savannah
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A 5 ohm resistor a 20 ohm resistor and a 25 ohm resistor are all connected in series to a 100 volt power source The current running through the circuit is?
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