A wire with resistance R is connected to the terminals of a 18 V battery. Part A

Question

A wire with resistance R is connected to the terminals of a 18 V battery.

Part A

What is the potential difference Vends between the ends of the wire?

Express your answer using two significant figures.

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Part B

What is the current I through the wire, if the wire has the resistance 1.0?

Express your answer using two significant figures.

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Part C

What is the current I through the wire, if the wire has the resistance 2.0?

Express your answer using two significant figures.

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Part D

What is the current I through the wire, if the wire has the resistance 3.0?

Express your answer using two significant figures.

A wire with resistance R is connected to the terminals of a 18 V battery.

Part A

What is the potential difference Vends between the ends of the wire?

Express your answer using two significant figures.

Vends =   V  

SubmitMy AnswersGive Up

Part B

What is the current I through the wire, if the wire has the resistance 1.0?

Express your answer using two significant figures.

I =   A  

SubmitMy AnswersGive Up

Part C

What is the current I through the wire, if the wire has the resistance 2.0?

Express your answer using two significant figures.

I =   A  

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Part D

What is the current I through the wire, if the wire has the resistance 3.0?

Express your answer using two significant figures.

I =   A  

Explanation / Answer

I=U/R

R=1 0hm I=18/1= 18 A

R=2 ohms I=18/2=9 A

R= 3 ohms I= 18/3 = 6A

potential difference between the ends of the wire 18 volts r int batterie very small.

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