Parallel Resistors (Grade 10 NSC Matric Physical Sciences): Quizzes

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Parallel Resistors
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What happens to current pathways when resistors are connected in parallel?

Multiple pathways are created

How does voltage across parallel resistors compare to the battery voltage?

It equals the battery voltage

What happens to total resistance when you add more parallel resistors?

Total resistance decreases

What is the general formula for calculating parallel resistance?

1Rp=1R1+1R2+...\frac{1}{R_p} = \frac{1}{R_1} + \frac{1}{R_2} + ...

What is the formula Rp=R1×R2R1+R2R_p = \frac{R_1 \times R_2}{R_1 + R_2} called?

Product over sum formula

What is the total resistance of 15Ω\Omega and 7Ω\Omega resistors in parallel?

4.77Ω\Omega

How does current from the battery behave in parallel circuits?

It divides among parallel branches

How does total parallel resistance compare to the individual resistors?

Less than the smallest resistor

What happens to total current when more parallel resistors are added?

Total current increases

What is the total resistance when a 3Ω\Omega resistor is added to 15Ω\Omega and 7Ω\Omega in parallel?

1.84Ω\Omega

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Transverse Pulses

Transverse Waves

Longitudinal Waves

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Vectors and Scalars

Motion in One Dimension

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Transverse Pulses

Transverse Waves

Longitudinal Waves

Sound

Electromagnetic Radiation

Magnetism

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