Choose the BEST answer to the following: As more lamps are connected to a series circuit, the current in the power source (a) increases. (b) decreases. (c) remains the same. (d) None of these.

Q: If the voltage in your house is approximately 120 volts, then how many amps of current are "pulled"…

A: From the question it is given that  Voltage supplied to house: V = 120 Volts Power of toaster: P =…

Q: - A galvanometer coil has a resistance of 13 meter shows full scale deflection for a current of 4…

A: Here, we can convert the meter into ammeter  of range 0 to 6A as given follow;

Q: Assuming the cost of energy from the electric company is $0.110/kWh, compute the cost per day of…

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Q: In the circuit shown here, if switch S is left open, then which light bulb will be brightest?

A: Any resistor in a circuit that has a voltage drop across it dissipates electrical power. This…

Q: A certain solar cell type has an output capability of 0.4 Amp at 0.6 V. A series / parallel solar…

A: Given: The current output of one cell is 0.4 amp. The voltage output of one cell is 0.6 V. The total…

Q: "hat happens to the current in a circuit if a 1.5-volt attery is removed and is replaced by a 3-volt…

A: According to ohms law V= IR

Q: What does it mean that it is a parallel circuit?

A:

Q: Between current and voltage, which remains the same for a 10-Ω and a 20-Ω resistor in series in a…

A: Given:  Two resistances one is 10 ohm and 20 ohm.

Q: It takes 1 volt of electrical pressure to push 1 ampere of electrical current through 2 ohms of…

A: Voltage or emf is the electric pressure needed to move charge between two points. Voltage is given…

Q: Using 1.5 V batteries, a swit- one lamp, two lamps in serie schematic.

A:

Q: Why are all compact fluorescent lamps more efficient than incandescent lamps?

A: All compact fluorescent lamps more efficient than incandescent lamps because of the following…

Q: Choose the BEST answer to the following: If the current in the filament of a lamp is 3 A, the…

A: Answer: Bi,e 3A

Q: If electricity costs 7.06 cents/kWh, how much would it cost you to run a 120W stereo system 4 hrs…

A: In given this question ,Electricity cost a 7.06 Centet kwhSystem consumed power = 120 WRunning time…

Q: What happens when you unplug one bulb from a parallel circuit of 3 bulbs?

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Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: When resistors are connected in series, current through them remains same. total voltage = sum of…

Q: State the relationship between power, resistance and current.

A: Let P, V, I, and R denote the electrical power, the voltage, the current, and the resistance of a…

Q: 30 50 60 What will the current of the circuit be if a 5.4 volt battery is used?

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Q: In the relationship between voltage and circuit, why there is a change in current when resistor is…

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Q: What would the power (Watts) be for a speaker if it draws 3.0 Amps of current when connected to a…

A: Given that, Current  I=3.0 A Voltage  V=12.0 V The expression for power is given by P=VI=12.0 V3.0…

Q: Why when two lamps are connected in a series to a battery is the electrical resistance the battery…

A: Suppose that the two lamps have initial resistance of R1 and R2 respectively. The lamps are…

Q: In a circuit of two lamps in series, if the current through one lamp is 1 A, what is the current…

A: Given:  Two lamps in series

Q: Which among the following supply system can be selected to connect an Incandescent lamp designed for…

A: A three-wire DC supply is a three-phase connection. A voltage difference of 230 V separates each…

Q: If electrons flow very slowly through a circuit, why does it not take a noticeably long time for a…

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Q: Who invented the light bulb, generator and other electrical devices?

A: The first working electric lamp was demonstrated by Humphry Davy in 1809.

Q: How much power is there in an electrical circuit of 5.73 Volts and carrying 56.9 Amps of current?

A: Answer :- Given :-  V = 5.73 V I = 56.9 Amp P =?  We know that              P =  V × I Where P is…

Q: How electricity affects our lives?

A: Given Electric current affects the our lives We have to write How electricity affects our lives?

Q: Calculate the electrical power of a lamp that carries 2 amps of current at 120 volts.

A: the expression for power is

Q: Which will do less damage—plugging a 110-V hairdryer into a 220-V circuit or a 220-V hairdryer into…

A: Write the expression for the power delivered to an element of a circuit.

Q: In which of the circuits shown does a current exist to light the bulb?

A: Given:  Five circuits

Q: Show that operating a 100-W lamp continuously for 1 week when the power utility rate is 15¢/kWh…

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Q: Which switch or switches must be closed to make lamp B light?

A: Answer            a) switch a& b

Q: A certain solar cell type has an output capability of 0.5 Amp at 0.3 V. A series / parallel solar…

A: We know the current output of 1 cell is 0.5 ampere and an array is having 174 cells in series and…

Q: What is the ability to the ability to transmit electrical current from one cell to another?

A: Electrical conductivity is defined as ability to transmit electrical current from one cell to…

Q: Given a 10-V power supply, would a 20-ohm resistor and a 5-ohm resistor need to be arranged in…

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Q: In a flashlight, the current is 0.40 A and the voltage is 3 V. Find the electrical energy dissipated…

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Q: On some early automobiles both headlights went out when one bulb burned out. The headlights must…

A: In case of a series connection, all the components is connected using a single path. Thus the…

Q: A certain solar cell type has an output capability of 0.7 Amp at 0.5 V. A series / parallel solar…

A: A certain solar cell type has an output capability of 0.7 Amp at 0.5 V. A series / parallel solar…

Q: Why does the light come on so quickly when switch is thrown?

A: