Asked by Jon
1)Bulb P is rated 60 W, 110 V and bulb Q is rated 100 W, 110 V. Which of the bulbs has the higher resistance?
A)they have the same
B)cannot be determined
C)bulb P
D)bulb Q
I got C. b/c of higher potential difference.
2)A battery of 10.0 V is connected across a resistor of 40.0. Calculate the power delivered to the resistor.
A)400 W
B)10 W
C)2.5 W
D)25 W
10^2/40.0
I got A
A)they have the same
B)cannot be determined
C)bulb P
D)bulb Q
I got C. b/c of higher potential difference.
2)A battery of 10.0 V is connected across a resistor of 40.0. Calculate the power delivered to the resistor.
A)400 W
B)10 W
C)2.5 W
D)25 W
10^2/40.0
I got A
Answers
Answered by
bobpursley
On the first, potential difference has nothing to do with it.
Resistance=voltage ^2/powerrating
On the second, no
Power= 10^2/40. That is not 400
Resistance=voltage ^2/powerrating
On the second, no
Power= 10^2/40. That is not 400
Answered by
Jon
I meant C on 2.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.