(a) What is the resistance of ten 100-W light bulbs connected in parallel? (b) in series?...
The powers of two light-bulbs are 60 W and 125 W when connected in parallel across a 130-V source. What is the power of the bulb that will output less power when the two light-bulbs are connected in series with the same source?
The powers of two light-bulbs are 40 W and 115 W when connected in parallel across a 110-V source. What is the power of the bulb that will output less power when the two light-bulbs are connected in series with the same source?
1. Find the resistance in ohms of a light bulb that produces 60 W of power when connected to 120 V household current. (5 pts) 2. Indicate if the statements below are true or false: (a) AC currents are changing, and the voltage is constant (b) DC currents are constant, and the voltage is constant (c) The time dependence of AC current and voltage follows a “sin” wave with frequency 60 Hz (d) When several light bulbs are arranged in...
Ten resistors, each having resistance of 100 ohms, are connected in either series or parallel arrangement. Calcuate the ratio of the net (equivalent) resistance in the parallel to the net resistance in the series arrangment. show all work.
Two light bulbs are connected in parallel, and then connected to a battery, as shown in Fig. 4.51(a). You observe that bulb 1 is twice as bright as bulb 2. Assuming that the brightness of a bulb is proportional to the power dissipated in the bulb’s resistor, which bulb’s resistor is larger, and by what factor? The bulbs are now connected in series ,as shown in Fig.4.51(b). Which bulb is brighter, and by what factor? How bright is each bulb...
Compare a 24-volt battery that is connected to four 25-watt light bulbs in parallel vs one that is connected in series. For both connections: a. Draw a diagram of these circuits. b. Find the voltage across each light bulb. c. Find the current in each light bulb. d. Find the resistance in each light bulb.
Determine the maximum number of 50 w/100 v light bulbs that can be connected together in parallel so as not to burn out a 15 A fuse when the bulbs are powered by a 75 v source (assume that the resistance of the fuse is negligible). A.40 B.30 C.20 D.10
Three bulbs are connected together as shown below. If each bulb has a resistance of 100 ohms, what is the total resistance of the three bulbs together? N بي
Two light bulbs of 60 watts and 100 watts are wired in parallel. What light bulb has greater resistance?
A 100-W light bulb is connected to a 110-V source. What is the resistance of this bulb?a) 121 Ob) 8.00 x 10-3 Oc) 6.00 x 10-3 Od) 242 Oe) 100 O