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    As more resistors are added in parallel across a constant voltage source, the power supplied by the

    As more resistors are added in parallel across a constant voltage source the power will; increaseFormula for Poweer across a circuit with constant voltage is;P …

    05/08/2019 Physics High School

    answered • expert verified

    As more resistors are added in parallel across a constant voltage source, the power supplied by the source as more resistors are added in parallel across a constant voltage source, the power supplied by the source increases for a time and then starts to decrease. increases. decreases. does not change.

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    Expert-verified answer

    As more resistors are added in parallel across a constant voltage source the power will; increase

    Formula for Poweer across a circuit with constant voltage is;

    P = I²R Where; P is Power I is current R is resistance

    Now, when resistors are connected in parallel, the total resistance is usually;

    1/R = 1/R1 + 1/R2 + 1/R3....

    Where R is total resistance.

    This means that the more resistors you add in parallel, the greater the value of R.

    Thus, from the Power equation, when R increases, then P will also increase.

    Read more about Power - Resistance relationship at; brainly.com/question/1637533

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    Answer

    Answer:

    increases

    Explanation:

    In a circuit, the power supplied by the source is given by:

    (1)

    where V is the voltage of the source and I is the current in the circuit.

    Using Ohm's law, we can rewrite the current as:

    where R is the equivalent resistance of the circuit. Substituting into (1), we can rewrite the power as

    (2)

    so we see that the power is inversely proportional to the resistance.

    For resistors added in parallel, the equivalent resistance is given by the formula

    so we see that when adding new resistors in parallel, the term increases, so the equivalent resistance R will decreases. As a result, the power supplied by the source (given by eq.(2)) wil increase.

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    Unit 11 Week 2 Quiz Flashcards

    Study with Quizlet and memorize flashcards terms like A short piece of metal that melts when a large current passes through it is a:, Three identical resistors are connected in series to a battery. If the current of 12 A flows from the battery, how much current flows through any one of the resistors?, In a series circuit, each circuit element has the same: and more.

    Unit 11 Week 2 Quiz

    32 studiers in the last day

    A short piece of metal that melts when a large current passes through it is a:

    Click card to see definition 👆

    fuse

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    Three identical resistors are connected in series to a battery. If the current of 12 A flows from the battery, how much current flows through any one of the resistors?

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    12 A

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    1/40 Created by navy222

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    Terms in this set (40)

    A short piece of metal that melts when a large current passes through it is a:

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    12 A

    In a series circuit, each circuit element has the same:

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    Which set of information will allow you to calculate the kilowatt x hr usage?

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    As more resistors are added in series to a constant voltage source, the power supplied by the source

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    As more resistors are added in parallel to a constant voltage source, the power supplied by the source

    increases

    The ratio of the potential difference across a metallic conductor to the current in the conductor is known as

    resistance

    On some early automobiles both headlights went out when one bulb burned out. The headlights must have been connected in

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    The lamps in a string of Christmas tree lights are connected in parallel. What happens if one lamp burns out?

    The brightness of the lamps will not change appreciably

    In an electric circuit, the safety fuse is connected to the circuit in

    series

    An automatic switch that opens when the current reaches a set value is called:

    circuit breaker

    Three identical resistors are connected in parallel to a battery. If the current of 12 A flows from the battery, how much current flows through any one of the resistors?

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    In an AC circuit, the electric field

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    a closed circuit

    When two or more resistors are connected in parallel to a battery,

    the voltage across each resistor is the same, the total current flowing from the battery equals the sum of the currents flowing through each resistor, and the equivalent resistance of the combination is less than the resistance of any one of the resistors.

    Which of the following wires would have the least resistance, assuming that all of the wires have the same cross-sectional area?

    a copper wire 5 cm in length

    Electrons are made to flow in a wire when there is

    a potential difference across its ends

    Three resistors with values of R1, R2, and R3 are connected in series. What is an expression for the total resistance, Req, of the three resistors?

    Req = R1 + R2 + R3

    A circuit is powered with a battery. Charge flows

    through both the battery and the rest of the circuit.

    Which statement is correct?

    Charge flows in a closed circuit.

    When two or more resistors are connected in series to a battery

    the same current flows through each resistor, the equivalent resistance of the combination is equal to the sum of the resistances of each resistor, and the total voltage across the combination is the algebraic sum of the voltages across the individual resistors.

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    Three resistors connected in parallel carry currents labeled I1, I2, I3. What is an expression for the total current It in the combined system?

    It = I1 + I2 + I3

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    by interacting with an established electric field

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    fuse

    The number of current paths in a series circuit is:

    one

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    If a resistor is added to a parallel circuit, the equivalent resistance:

    decreases

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    Ohm's law

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    Three identical resistors are connected in series to a 12-V battery. What is the voltage across any one of the resistors?

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