Series circuits electronic interview question

16.

A short circuit has:
A.     too much resistance
B.     no conductance
C.     no resistance
D.     low current
Answer & Explanation

Answer: Option C

Explanation:

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17.

If three resistors of 1.5 kilohms, 470 ohms, and 3300 ohms are in series with a 25-volt source, what is the total circuit current?
A.     210 mA
B.     5.2 mA
C.     4.7 mA
D.     .007 A
Answer & Explanation

Answer: Option C

Explanation:

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18.

What is the total power in the circuit?

A.     170 mW
B.     1.7 W
C.     17 W
D.     170 W
Answer & Explanation

Answer: Option A

Explanation:

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19.

A string of resistors in a series circuit will:
A.     divide the source voltage in proportion to their values
B.     reduce the power to zero
C.     cause the current to divide
D.     increase the source voltage in proportion to the values
Answer & Explanation

Answer: Option A

Explanation:

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20.

While putting three 1.5 V batteries into a flashlight, you put one in backwards. The flashlight will be ______________.
A.     brighter than normal
B.     dimmer than normal
C.     off
D.     the same
Answer & Explanation

Answer: Option B

Explanation:

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