Most devices are connected in: A) parallel, so one going out doesn\'t affect the

Question

Most devices are connected in:

A) parallel, so one going out doesn't affect the others
B) series, so one going out doesn't affect the others
C) parallel, since it reduces the equivalent resistance of the devices
D) series, since it reduces the equivalent resistance of the devices

6.

Two identical resistors have different currents through them: Resistor A has twice the current through it as does Resistor B. What can we say about the power dissipated in each of them?

A) Twice as much power dissipated in A as in B
B) They both dissipate the same amount of power
C) Half as much power dissipated in A as in B
D) Four times as much power dissipated in A as in B
E) One-fourth as much power dissipated in A as in B

7.

The equivalent resistance of two or more resistors in series and parallel is best summarized by:

A) larger than the largest single R in parallel, less than the smallest single R in series
B) larger than the largest single R in series, less than the smallest single R in parallel
C) larger than the smallest single R in parallel, less than the largest single R in series
D) is always smaller than the largest R
E) is always larger than the largest R
F) larger than the smallest single R in series, less than the largest single R in parallel
G) is always less than the smallest R
H) is always less than the largest R

Explanation / Answer

Question_(5)   => Option_(A) parallel, so one going out doesn't affect the others

Question_(6)   => Option_(D) Four times as much power dissipated in A as in B

Question_(7) => Option_(B) larger than the largest single R in series, less than the smallest single R in parallel

Option_(F) larger than the smallest single R in series, less than the largest single R in parallel

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