Chapter7: Electricity
Section: Chapter Questions
Problem 1MA: What does the term fibrillation mean in connection with heart function? Give two important causes of...
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In the circuit shown at the right, RA is identical to RC, and RB is twice A and C.
Ra = Rc = 1/2Rb
The current through each resistor is labeled i. Let the potential drop across resistor A be called deltaVA and so on. The battery provides an EMF = V0.
ANSWER WITH THE CHANGE WHERE EVERYTHING IS NOW EQUAL TO EACH OTHER*
Which of the following must be true of the currents in the circuit?
- iA = iB only
- iA = iC only
- iA = iB = iC
- iA = iB + iC
- iA = iB - iC
- None of these
What is the relationship between ib and ic?
- iB = ⅓ iC
- iB = ½ iC
- iB = iC
- iB = 2 iC
- iB = 3 iC
- None of these
Which of the following are true about the magnitudes of the potential differences in the circuit? Select all that apply
- VA = VB
- VB = VC
- VA = V0
- V0 = VB + VC
- V0 = VA + VB
- V0 = VA + VC
Which of the following is the correct relationship between deltaVA and deltaV0.
- VA = V0
- VA = 1/2 V0
- VA = 1/3 V0
- VA = 2/3 V0
- VA = 3/5 V0
Transcribed Image Text:is
Re=1/2 RB
RB =2Rc
IA RC
Parallel
-B
RA
Rc
the
I so on.
AV
RB
iB
2RC
rrents
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