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
#18 Power in resistor P equals:
A) I^2 R
B) I/R
C) R/I
D) 1/R
Answer: A
#19 Kirchhoff current law:
A) Sum currents at junction zero
B) Sum voltage zero
C) Power zero
D) Charge zero
Answer: A
#20 Kirchhoff voltage law:
A) Sum EMFs = sum IR drops
B) Current zero
C) Resistance zero
D) No loops
Answer: A
#21 Capacitance C equals:
A) Q/V
B) V/Q wrong inverse
C) IR
D) I/R
Answer: A
#22 Capacitor stores:
A) Electric energy
B) Magnetic only
C) Sound
D) Heat only
Answer: A
#23 Dielectric in capacitor:
A) Increases capacitance
B) Decreases always
C) No effect
D) Removes field
Answer: A
#24 Magnetic field around wire from:
A) Current
B) Static charge only
C) Mass
D) Heat
Answer: A
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