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How you can change a constant DC voltage to a variable DC voltage?
By installing the varialble resistor in the circuit,the constant dc voltage would change .
How do you check dc voltage... series or parallel?
If you are asking how a voltmeter should be connected in a circuit, then the answer is that it should be connected in parallel with the device across which you want to determine the voltage. This applies whether the circuit is d.c. or a.c.
As the DC voltage applied to a circuit decreases what will the current do?
In a passive circuit, the current will decrease. In an active industrial circuit, it will usually decrease. In a theoretic manner - it is an unknown.
4 How do you determine current in a parallel DC circuit?
The current in each individual component of the parallel circuit is equal to (voltage across the combined group of parallel components) / (individual component's resistance). The total current is the sum of the individual currents. ============================== Another approach is to first calculate the combined effective resistance of the group of parallel components. -- take the reciprocal of each individual resistance -- add all the reciprocals -- the combined effective resistance is the reciprocal of the sum. Then, the total current through the parallel circuit is (voltage across the parallel circuit) / (combined effective resistance of the components).
How does a voltage quadrupler work?
A Voltage Quadrupler would be a DC circuit. A transformer would be used to increase the voltage in an AC circuit. To quadruple the voltage in a DC circuit would consist of (min) 4 resistors. 1 resistor would be directly in parallel with the power source, that is, one side of the R would be connected to one side of the source, and the other side of the R would be connected to the other side of the source. The remaining resistors are configured in a sort of series/parallel with the 1st resistor to increase (ladder fashion) the output voltage. See the related links for a more detailed explntn.
How you can change a constant DC voltage to a variable DC voltage?
By installing the varialble resistor in the circuit,the constant dc voltage would change .
How do you check dc voltage... series or parallel?
If you are asking how a voltmeter should be connected in a circuit, then the answer is that it should be connected in parallel with the device across which you want to determine the voltage. This applies whether the circuit is d.c. or a.c.
Can you add DC voltage in parallel?
Connecting 12 volt DC batteries in parallel will increase amperage available, but voltage will remain 12 volts.
What device has the smallest current in parallel circuit?
In a parallel circuit, each branch has its own current flow, so there isn't a single device that has the smallest current. The current through each device is determined by its resistance and voltage applied. The device with the highest resistance will have the smallest current flowing through it in a parallel circuit.
As the DC voltage applied to a circuit decreases what will the current do?
In a passive circuit, the current will decrease. In an active industrial circuit, it will usually decrease. In a theoretic manner - it is an unknown.
4 How do you determine current in a parallel DC circuit?
The current in each individual component of the parallel circuit is equal to (voltage across the combined group of parallel components) / (individual component's resistance). The total current is the sum of the individual currents. ============================== Another approach is to first calculate the combined effective resistance of the group of parallel components. -- take the reciprocal of each individual resistance -- add all the reciprocals -- the combined effective resistance is the reciprocal of the sum. Then, the total current through the parallel circuit is (voltage across the parallel circuit) / (combined effective resistance of the components).
How does a voltage quadrupler work?
A Voltage Quadrupler would be a DC circuit. A transformer would be used to increase the voltage in an AC circuit. To quadruple the voltage in a DC circuit would consist of (min) 4 resistors. 1 resistor would be directly in parallel with the power source, that is, one side of the R would be connected to one side of the source, and the other side of the R would be connected to the other side of the source. The remaining resistors are configured in a sort of series/parallel with the 1st resistor to increase (ladder fashion) the output voltage. See the related links for a more detailed explntn.
How are current and voltage related to the power supplied by the source?
in ac circuits power,P=VICOS@ @ is the angle between voltage and current. in dc P=VI V is the voltage I is the current. Power (in Watts) is current (A) x voltage (V)
What will happen if two dc sources are connected in parallel?
IF two dc sources are connected in parallel, the one with the highest potential dominates the circuit.
If you have a DC passing through a circuit will the current decrease when you add a DC motor and if so by how much?
In the circuit where the DC motor is added, it was not specified whether the motor was added in series or in parallel to circuit elements. If it was added in series, it will increase circuit resistance and it will cause circuit current to go down. In parallel, the motor will reduce total circuit resistance, and circuit current will increase.
Formula for finding power in a DC circuit?
multiply the total voltage in the circuit by the total amperage
What is DC chopper?
chopper use a ststeing perpose..... dc means direct current that is low voltage
