Four unequal resistors are connected in series with each other. Which one of the following statements is correct about this combination?

The equivalent resistance is more than the largest resistance.

The equivalent resistance is equal to that of any one of the resistors.

The equivalent resistance is equal to average of the four resistances.

The equivalent resistance is less than that of the smallest resistor.

The equivalent resistance is less than that of the largest resistor.

Four unequal resistors are connected in a parallel with each other. Which one of the following statements is correct about this combination?

The equivalent resistance is less than that of the smallest resistor.

The equivalent resistance is equal to the average of the four resistances.

The equivalent resistance is midway between the largest and smallest resistance.

The equivalent resistance is more than the largest resistance.

None of the other choices is correct.

When unequal resistors are connected in parallel in a circuit,

the potential drop is always the same across each resistor.

the same current always runs through each resistor.

the largest resistance has the largest current through it.

the power generated in each resistor is the same.

When unequal resistors are connected in series across an ideal battery,

the current flowing in each is the same.

the same power is dissipated in each one.

the potential difference across each is the same.

the equivalent resistance of the circuit is less than that of the smallest resistor.

the equivalent resistance of the circuit is equal to the average of all the resistances.

As more resistors are added in series to a constant voltage source, the power supplied by the source

increases for a time and then starts to decrease.

Resistors and Circuits

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Resistors and Circuits

Quiz

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Physics

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12th Grade

•

Practice Problem

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Hard

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NGSS

HS-PS2-5

Standards-aligned

Charles Martinez

FREE Resource

26 questions

Show all answers

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is resistance measured in?

volts

Amperes (Amps)

Ohms

Coulombs

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the variable with variable symbol R?

Current

Voltage

Resistance

None of the Above

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The third color band is a _ or ____

Gold or Silver

Green or Blue

2k or 5k ohms

multiplier or number of zeros

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the color code for a Orange, Black, Red resistor?

3k Ohms

200 Ohms

300 Ohms

2K Ohms

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does resistance affect current?

less resistance - less current

more resistance - less current

more resistance - more current

resistance does not affect current

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the color codes for a 470k ohm resistor?

Yellow, Violet, Yellow

Orange, Grey, Orange

Yellow, Violet, Orange

Orange, Grey, Yellow

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the resistance for a Red, Brown, Black resistor?

21 Ohms

210 Ohms

12 Ohms

120 Ohms

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