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6. A light bulb is connected to a 40 V battery, as shown in the circuit...
1. A battery is connected to a light bulb, lighting the bulb. Where in the circuit...
1. A battery is connected to a light bulb, lighting the bulb. Where in the circuit is the current the greatest? A) inside the battery B) it's the same at all these points C) inside the light bulb filament D) between the light bulb and the negative terminal of the battery E) between the positive terminal of the battery and the light bulb 2. The emf of a battery is: A) its internal resistance B) the voltage difference it provides...
Bulb 3.- 5 points A light bulb is connected in the circuit shown in the figure...
Bulb 3.- 5 points A light bulb is connected in the circuit shown in the figure with the switch Sopen. All the connecting leads have no appreciable resistance and the battery has no internal resistance. When we close the switch, which statements below accurately describe the behavior of the circuit? (There may be more than one correct choice.) w 3 R A) The brightness of the bulb will increase. B) The brightness of the bulb will degrease. C) The brightness...
The bulb is not ohmic, must use "P=VI" for the first part. When a light bulb...
The bulb is not ohmic, must
use "P=VI" for the first part.
When a light bulb is connected to the simple circuit shown, it dissipates a power of 60.0 W. (a) Determine the possible values for the current in the circuit. (b) Suppose that the values of the resistor's resistance is varied without changing the bulb's rate of energy dissipation. What is the maximum resistance? (c) If instead the battery's terminal potential is varied without affecting the bulb's power, what...
A light bulb connected to a 9-V battery has a current of 1.5 A flowing. Find...
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)
The rms current through a light bulb is 0.466 A when the bulb is connected to...
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...
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?
Problem 3:[15]) A light bulb is connected in the circuit shown in the figure with the...
Problem 3:[15]) A light bulb is connected in the circuit shown in the figure with the switch S open. All the connecting leads have no appreciable resistance and the battery has no internal resistance. All resistances including the bulb have R=20 Ohms and the battery voltage is 1do Volts. (a) When the switch S is open and when it is closed, what are the effective resistances of the circuit in both cases? [5] (b) When the switch is open and...
A 1.5 V battery with an internal resistance of 5 Ohms is connected to a light...
A 1.5 V battery with an internal resistance of 5 Ohms is connected to a light bulb with a resistance of 20 Ohms in a simple, single-loop circuit. a) What is the current flowing in this circuit? b) What is the voltage difference across the light bulb and the internal resistor? c) Also calc the supplied power by the battery and power drops across the two resistors.
5. When a light bulb is connected to a 4.5 V battery, a current of 0.16A...
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)
- 2. 5 c) A light bulb draws a current of 12A when connected to a...
- 2. 5 c) A light bulb draws a current of 12A when connected to a 24-V battery. Find the bulb's resistance.
Bulb 3.- 5 points A light bulb is connected in the circuit shown in the figure with the switch Sopen. All the connecting leads have no appreciable resistance and the battery has no internal resistance. When we close the switch, which statements below accurately describe the behavior of the circuit? (There may be more than one correct choice.) w 3 R A) The brightness of the bulb will increase. B) The brightness of the bulb will degrease. C) The brightness...
The bulb is not ohmic, must
use "P=VI" for the first part.
When a light bulb is connected to the simple circuit shown, it dissipates a power of 60.0 W. (a) Determine the possible values for the current in the circuit. (b) Suppose that the values of the resistor's resistance is varied without changing the bulb's rate of energy dissipation. What is the maximum resistance? (c) If instead the battery's terminal potential is varied without affecting the bulb's power, what...
Problem 3:[15]) A light bulb is connected in the circuit shown in the figure with the switch S open. All the connecting leads have no appreciable resistance and the battery has no internal resistance. All resistances including the bulb have R=20 Ohms and the battery voltage is 1do Volts. (a) When the switch S is open and when it is closed, what are the effective resistances of the circuit in both cases? [5] (b) When the switch is open and...
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)
- 2. 5 c) A light bulb draws a current of 12A when connected to a 24-V battery. Find the bulb's resistance.
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