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What else can I help you with?
How must the voltage across a resistor change to reduce the current in the resistor by a factor of 3?
The voltage must reduce by the same factor - that is Ohm's law.
Does a resistor reduce current or voltage in an electrical circuit?
A resistor reduces the flow of current in an electrical circuit, which in turn affects the voltage across the resistor.
How you can reduce voltage without use of transformer?
a resistor
Does a ford 390 engine use an ignition ballast resistor?
Yes, the Ford 390 engine typically uses an ignition ballast resistor, especially in models equipped with a conventional ignition system. The ballast resistor helps to reduce the voltage to the ignition coil during normal operation, providing a lower voltage for better control and longer coil life. However, some later models or modifications may not use one, so it's always best to check the specific setup for the vehicle in question.
What does the Ignition Coil Resistor do?
On a point ignition system, the resistor will reduce the incoming voltage to the coil from 14 volts when the charging system is active, to about 9 volts. At a 9 volt level the ignition points will survive for a longer time before pitting and burning. -------------------------------------------------------------------------------------------------- actually this is for the fact that when you are starting (the starter is running) a car/truck available voltage drops down because of the electrical load from the starter to about 9 volts. this would be a problem if the ignition system (coil and points/ignition module) was set for 12~14 volts as at 9 volts you may have no spark, so they set the voltage at 9 volts all the time and use the resistor or a built in voltage regulator in the ignition module to bring the voltage down when the car is running and give it full voltage (9 volts) directly when the car is starting usually thru a bypass wire or switched connector. the condenser/capacitor is what keeps the points from pitting and burning as fast. and on some cars they did not use a resistor but a resistor wire
How does a resistor reduce voltage in an electrical circuit?
A resistor reduces voltage in an electrical circuit by converting some of the electrical energy into heat. This process slows down the flow of electricity, resulting in a decrease in voltage across the resistor.
Where is the ignition resistor on a 1978 dodge d100?
On a 1978 Dodge D100, the ignition resistor is typically located on the firewall, near the passenger side. It is a small rectangular component that can be mounted on a bracket. Its purpose is to reduce voltage to the ignition coil to prevent overheating. If you're having trouble locating it, consult the vehicle's service manual for a detailed diagram.
How does a resistor affect the flow of electricity in a circuit: does a resistor reduce voltage or current?
A resistor affects the flow of electricity in a circuit by reducing the current that flows through it. This reduction in current leads to a decrease in voltage across the resistor.
Wirings for ignition coil to th resister for a 1972 Datsun pick up truck?
For a 1972 Datsun pickup truck, the ignition coil is typically connected to the ignition switch and the resistor. The resistor is used to reduce the voltage supplied to the coil, ensuring optimal performance and preventing overheating. Generally, the primary wire from the ignition switch connects to one terminal of the resistor, while the other terminal connects to the positive side of the ignition coil. The negative terminal of the coil connects to the distributor or ignition points for spark generation.
Where is ballast resistor on 1984 ford bronco?
On a 1984 Ford Bronco, the ballast resistor is typically located on the firewall or near the ignition coil. It is a small, rectangular component that helps reduce voltage to the ignition coil during normal operation. If you're having trouble locating it, you can trace the wires from the ignition coil to find the resistor. Always ensure the vehicle is off and disconnected from power when working on electrical components.
How would you connect a resistor in order to reduce an LED's applied voltage?
You could use the voltage divider rule to reduce the voltage. Using two resistors in series, the input voltage will drop across each resistor by an amount that is proportionate to the values of the resistors. If the 1st resistor is 10K and the 2nd resistor is 100K, the voltage drop across the 10K will be 10 times LESS than that of the 100K resistor. The total voltage drop across both resistors will be equal to the supplied input voltage. Work out the ratio of voltage you need from the total input voltage and use 2 resistors will that give you the same ratio. Connect the LEDs in parallel with the resistor the gives you the voltage you want. Use a MM to measure the voltage across the resistor before wiring LEDs.
How do resistors reduce voltage in an electrical circuit?
Resistors reduce voltage in an electrical circuit by impeding the flow of electric current, which causes a drop in voltage across the resistor. This drop in voltage is proportional to the amount of resistance in the circuit.
