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Physics

Grade-9

Easy

Question

What is the tolerance that needs to be added if the last band is of red color?

± 0.05%
± 10%
± 2%
±1%

hint Hint:

The tolerance that needs to be added if the last band is of red color is ± 2%

The correct answer is: ± 2%

A resistor is an electrical component with two terminals which implements electrical resistance in a circuit.

The colour codes are used as a symbol to specify the reliability and tolerance of a resistor.

Tolerance can be described as the variation between the resistance of the resistor and the actual resistance.

Each colour band describe individual tolerance values.

Related Questions to study

What is the meaning of ± in front of the tolerance percent?

What is the meaning of ± in front of the tolerance percent?

Third band represents which value of resistance in a 4-band resistor?

Third band represents which value of resistance in a 4-band resistor?

Third band represents which value of resistance in a 5-band resistor?

Third band represents which value of resistance in a 5-band resistor?

parallel

Second band represents which value of resistance in a 4-band resistor?

Second band represents which value of resistance in a 4-band resistor?

First band represents which value of a resistance in a 4-band resistor?

First band represents which value of a resistance in a 4-band resistor?

What is the decimal digit for the color “violet”?

What is the decimal digit for the color “violet”?

parallel

What is the decimal digit for the color “yellow”?

What is the decimal digit for the color “yellow”?

What is the decimal digit for the color “blue”?

What is the decimal digit for the color “blue”?

What is the decimal digit for the color “white”?

What is the decimal digit for the color “white”?

parallel

As the voltage increases, the number of electrons passing through the circuit is affected. What is the effect on the resistance in the circuit?

As the voltage increases, the number of electrons passing through the circuit is affected. What is the effect on the resistance in the circuit?

Using this formula, what can be calculated?
$fraction numerator rho l over denominator A end fraction$

Using this formula, what can be calculated?
$fraction numerator rho l over denominator A end fraction$

Using this formula, what can be calculated?
$fraction numerator R A over denominator l end fraction$

Using this formula, what can be calculated?
$fraction numerator R A over denominator l end fraction$

parallel

Study the following graph:

Which statement Is correct with respect to the graph?

Study the following graph:

Which statement Is correct with respect to the graph?

The length of a certain conductor of resistance 50 ohm is doubled, and its cross-sectional area is halved. Its new resistance is ____.

The length of a certain conductor of resistance 50 ohm is doubled, and its cross-sectional area is halved. Its new resistance is ____.

When current flows through a conductor, the conductor will heat up. If the conductor temperature exceeds the insulation rating of the cable, then the

When current flows through a conductor, the conductor will heat up. If the conductor temperature exceeds the insulation rating of the cable, then the

parallel

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