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What is internal resistant of a DC source?
An ideal voltage source has zero internal resistance so that the voltage stays constant with any load current. A practical voltage source should have less than 5% voltage drop at the rated load current.
How does increasing resistant with a given voltage source effect current flow?
Ohm's Law says Voltage = Current x Resistance and written as V = I x R. So as R increases for a fixed V then current will decrease proportionally.
If the current is 35 Amperes in the resistant is 7 ohms what is the voltage?
To find the voltage, you can use Ohm's Law, which states that voltage (V) equals current (I) multiplied by resistance (R). In this case, V = I × R = 35 A × 7 Ω = 245 Volts. Therefore, the voltage is 245 Volts.
What happen to current in a circuit if the voltage in not charged but the resistant is double?
In an electrical circuit, if resistance is doubled, EMF (measured in volts) stays constant, and current is halved.
Is the resistance of a resistor the same as voltage changes?
Yes and no. As voltage changes, current changes, causing power to change, with the end result that temperature changes. Most resistors have a small temperature coefficient, so their resistance will change slightly as the voltage changes.
What is the relationship among voltage current and resistance in a circuit?
Voltage = (current) x (resistance) Current = (voltage)/(resistance) Resistance = (voltage)/(current)
What is a relationship among voltage current and resistance in a circuit?
Voltage = (current) x (resistance) Current = (voltage)/(resistance) Resistance = (voltage)/(current)
What is the relationship between voltage and current as shown in the graph of voltage vs current?
In the graph of voltage vs current, the relationship between voltage and current is linear. This means that as voltage increases, current also increases proportionally.
Can there be a current with no voltage?
No, There can't Be current without voltage
What is the relationship among voltage circuit and resistance in a circuit?
Voltage = (current) x (resistance) Current = (voltage)/(resistance) Resistance = (voltage)/(current)
Why current leads in capaciter?
Capacitors resist a change in voltage. It takes current to effect a voltage change, resulting in the current "leading" the voltage. Similarly, inductors resist a change in current. It takes voltage to effect a current change, resulting in the current "lagging" the voltage.
How do you find the current if you have the resistance but not the voltage?
The current will be zero if there is no voltage.
