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How is the stepped resistor differ from the fixed resistor?
A stepped resistor, also known as a variable resistor or rheostat, allows for adjustable resistance levels, enabling fine-tuning of current flow in a circuit. In contrast, a fixed resistor has a constant resistance value and does not change. While stepped resistors can be used for applications requiring variable resistance, fixed resistors are typically used in applications where a specific resistance is needed. The ability to adjust resistance in stepped resistors offers greater flexibility in circuit design.
What is the difference between an ohmic resistor and a non-ohmic resistor?
A non-ohmic resistor doesn't have a constant resistance. A ohmic resistor has a constant resistance.
What happens to the resistance of a common ohmic resistor when it is heated?
When a common ohmic resistor is heated, its resistance typically increases.
What resistance must be connected in parallel to 6.0-ohm resistor to reduce the combined resistance to 15-ohm?
No such resistor exists. Any resistor placed in parallel with a 6.0 ohm resistor is going to reduce the combined resistance below 6.0 ohms.
What does resistor perform?
A resistor's resistance is measured in ohms. The higher the resistance the less current will flow with a constant voltage applied across the resistor. In terms of Ohm's Law Voltage = Current x Resistance.
Describe the purpose of the coloured bands on a resistor?
The colored bands on a resistor indicate its resistance value and tolerance. By interpreting the color code, you can determine the resistance value of the resistor and the range within which the actual resistance may vary. This helps in identifying, sorting, and using resistors in electronic circuits.
What is a contact resistor?
A: I snot a resistor but rather an unwanted resistance on a contact
What does r mean in a resistor?
R stands for the resistance.
What are the losses in resistors?
The power lost in a resistor is(the current through the resistor) times (the resistance) watts. That's the same thing as(the voltage across the resistor)/(the resistance)watts.
When a 1 ohm resistor and a 1 ohm resistor are connected in series what is their conbined resistance?
The combined resistance will be 2 Ohms.
What do the colours on resistor mean?
The colored bands on a resistor represent the resistor value and tolerance. The first two bands indicate the significant digits of the resistance value, the third band represents the multiplier, and the fourth band (if present) indicates the tolerance of the resistor. By decoding these colors, you can determine the resistance value of the resistor.
What is the resistance of a 10-ohm resistor and a 7- ohm resistor in a series?
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