AFNS — AFNS Physics
Electricity
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#9 Coulomb law F proportional to:
A) q1 q2 / r^2
B) r^2
C) 1/r
D) r
Answer: A
#10 Electric field E is:
A) Force per unit charge
B) Charge per force
C) Potential
D) Current
Answer: A
#11 Electric potential unit:
A) Volt
B) Coulomb
C) Ampere
D) Tesla
Answer: A
#12 Potential difference measured by:
A) Voltmeter
B) Ammeter
C) Galvanometer only
D) Ruler
Answer: A
#13 Current measured by:
A) Ammeter
B) Voltmeter
C) Thermometer
D) Barometer
Answer: A
#14 Ohm law V equals:
A) IR
B) I/R
C) R/I
D) I^2 R only power
Answer: A
#15 Resistance unit:
A) Ohm
B) Volt
C) Ampere
D) Watt
Answer: A
#16 Resistors in series:
A) R total = sum R
B) 1/R sum
C) Product
D) Zero always
Answer: A
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