What is the current in a 15.0-W light bulb when connected to a 134-V emf?
What is the current in a 15.0-W light bulb when connected to a 134-V emf?
5. When a light bulb is connected to a 4.5 V battery, a current of 0.16A passes through the bulb filament. What is the resistance of the filament? What is the power delivered to the light bulb? (5pts)
A light bulb connected to a 9-V battery has a current of 1.5 A flowing. Find the resistance of the light bulb (in ohms) Find the power drawn by the light bulb (in W)
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
The rms current through a light bulb is 0.466 A when the bulb is connected to a standard 120 V rms source. (a) Find the bulb's resistance. (b) Find the peak instantaneous current. (c) Find the peak instantaneous voltage. (d) Find the average electrical power used by the bulb.
A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.781 A) sin [(205 rad/s)t]. (a) What is the frequency of the alternating current? (b) Determine the resistance of the bulb's filament. (c) What is the average power delivered to the light bulb?
The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference (a) What is the resistance of a 100-W bulb? (b) What is the resistance of a 120-W bulb? (c) How much current does each bulb draw in normal use? 1100-w = 1120-w-
The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference. A.What is the resistance of a 100 W bulb? B.How much current does the 100 W bulb draw in normal use? C.What is the resistance of a 60 W bulb? D.How much current does the 60 W bulb draw in normal use?
- 2. 5 c) A light bulb draws a current of 12A when connected to a 24-V battery. Find the bulb's resistance.
6. A 75 W light bulb operates at a potential difference of 95 V. a. What is the current in the bulb? b. What is the resistance of the bulb? C. If the bulb is replaced by a bulb with half of the resistance found in part b, what is its power rating when operated at the same potential?
A 100-W light bulb draws a 1.2-A current. What is the voltage drop across the light bulb? Answer: V