A. 55 Ω
B. 5.5 Ω
C. 50 Ω
D. 9 Ω
A. 18 W
B. 1.5 W
C. 48 W
D. 72 W
A. power into d.c. power
B. power into a.c. power
C. mechanical power into a.c. power
S. none of the above
A. a drop in source voltage
B. an open resistor
C. an increase in source voltage
D. either a drop in source voltage or an open resistor
A. 2.3 A
B. 780 mA
C. 47 mA
D. 7.06 A
A. 48 mA
B. 12 mA
C. 0 A
D. 3 mA
A. 2.2 A
B. 137 mA
C. 1.8 A
D. 9.09 A
A. 610 mA
B. 18 mA
C. 110 mA
D. 61 mA
A. the remaining two will glow dimmer
B. the remaining two will glow brighter
C. the remaining two will not light
D. the remaining two will glow with the same brightness as before
A. remains the same
B. decreases by the value of the added resistor
C. increases by the value of the added resistor
D. decreases