Resistance and Resistivity (Review)

Resistance and Resistivity (Review)

12th Grade

10 Qs

quiz-placeholder

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Resistance and Resistivity (Review)

Resistance and Resistivity (Review)

Assessment

Quiz

Physics

12th Grade

Medium

Created by

JENALYN MARAYAG

Used 19+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Consider a wire length L, cross-sectional area A and a resistance R. A second wire at the same temperature has a length 2L and a cross-sectional are of 1/2A. What is the resistance of the second wire

R

2R

1/2 R

4R

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the resistance of a wire when its length is reduced by half?

Halved

Quartered

Doubled

Quadrupled

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Xylene works in an electric company. She always recommends that longer extension cords should have a thicker diameter. Her recommendation made because resistance is __________.

inversely with length and directly with cross-sectional area

directly with length and inversely with cross-sectional area

directly with both length and cross-sectional area

inversely with both length and cross-sectional area

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

The electrical resistance pf a metallic conductor is inversely proportional to its _____________.

Temperature

Length

Cross-sectional area

Resistivity

5.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What is the unit of used to specify the amount of resistance?

Resistance

Ampere

Volts

Ohm

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What symbol represented the unit Ohm?

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

It is the opposition of a material offers to current.

Voltage

Current

Resistance

Length

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