AFNS — AFNS Physics

Electricity


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#17

Resistors in parallel:

A) 1/Rt = sum 1/R

B) Rt = sum R

C) Rt = product

D) Rt = 0

Answer:   A
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#18

Power in resistor P equals:

A) I^2 R

B) I/R

C) R/I

D) 1/R

Answer:   A
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#19

Kirchhoff current law:

A) Sum currents at junction zero

B) Sum voltage zero

C) Power zero

D) Charge zero

Answer:   A
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#20

Kirchhoff voltage law:

A) Sum EMFs = sum IR drops

B) Current zero

C) Resistance zero

D) No loops

Answer:   A
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#21

Capacitance C equals:

A) Q/V

B) V/Q wrong inverse

C) IR

D) I/R

Answer:   A
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#22

Capacitor stores:

A) Electric energy

B) Magnetic only

C) Sound

D) Heat only

Answer:   A
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#23

Dielectric in capacitor:

A) Increases capacitance

B) Decreases always

C) No effect

D) Removes field

Answer:   A
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#24

Magnetic field around wire from:

A) Current

B) Static charge only

C) Mass

D) Heat

Answer:   A
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