If a charge flows through a resistor, which of the following happens to the resistor? nothing it gets colder maintain its temperature it gets hotter

Q: What is the effect on the total resistance of the following: Increasing the number of resistors in…

A: Equivalent resistance when two resistor R1 and R2 is connected in series is Req= R1 + R2 From above…

Q: What is the name of the circuit component where a small current flowing through part of it allows a…

A: Capacitor is a device which is used to store charge. This device can store charge when small current…

Q: If the current through a resistor is increased by a factor of 2, how does this affect the power…

A: Given ,        current through a resistor is increased by a factor of 2        Power dissipated = ?

Q: Two resistors of equal resistance are connected in series to a battery. The current drawn from the…

A: Given , two resistors of equal resistance Let , the resistance be R When the resistances are in…

Q: A fully discharged capacitor is connected in series to a resistor and a battery of constant voltage.…

A: Formula of time constant: τ=RC Where,   R= Resistance.  C= Capacitance.

Q: The voltage of a battery is found to be 4.2 volts. Two resistors of 2 and 4 ohms are connected in…

A: Given data: Battery voltage, V=4.2 volts. Resistors R1=2 Ω & R2=4 Ω are connected in series.…

Q: Three resistors and two batteries are connected as shown in the cireuit dingram. 50 10 V 50 15 V 50…

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Q: Which of these statements is true about resistors connected in parallel? Both the current passing…

A: We know, In a parallel connection, the current is divided into different branches so as to maintain…

Q: When current flows through a resistor,(a) some of the charge is used up by the resistor.(b) some of…

A: current flows through a resistor

Q: Electrons in an electric circuit pass through a resistor. The wire has the same diameter on each…

A: solution is given by

Q: In a closed electric circuit, electrons flow I) from the + to the - terminal of the battery through…

A: Electrons flows in the direction of current in a closed circuit.

Q: Which of these statements is true about unequal resistors connected in series? Both the current…

A: Solution: Given: Which of these statements is true about unequal resistors connected in series? A.…

Q: The only lightbulb in a circuit is replaced with a new one. The same electrical potential is…

A:

Q: Describe what will happen to the current flow through a conductor given the following changes in…

A: Increase in electrical resistivity: Increase in resistivity means an increase in the resistance of…

Q: Which of the following is incorrect regarding conductors?     (The answer can be found on more…

A:

Q: As the potential difference across a given resistor is increased, the power expended in moving…

A: Given data:  The potential difference across resistor increased Required: The effect on power…

Q: Why does the bulb explode? a. The battery provide a very small resistance b. the battery provided…

A: Bulb will explode when it received more wattage than it's limit. So the higher voltage provided too…

Q: Two resistors with resistances of 12 Ω and 22 Ω are connected in parallel. The parallel combination…

A:

Q: The statement: “The sum of the currents into a junction equals the sum of the currents out of the…

A: The current law describe how the current is distributed at the branches or at any junction point.…

Q: Three resistors are made out of three different materials an have different (but uniform) cross…

A: Given:- Material 1 = 0.00367Ω m  Material 2 = 0.488 Ω m  Material 3 = 7.99 x 10-5 Ω m  The…

Q: At the same temperature, two wires made of pure copper have different resistances. The same voltage…

A: The resistance of a wire depends on the resistivity of the material of the wire, length of the wire…

Q: Which of the following is false? O The resistance of a conductor has a dependence on the…

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Q: With 3 different resistors connected in parallel, when connected to a battery source with…

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Q: A potential difference of 2.20 V will be applied to a 43.00 m length of 18-gauge silver wire…

A: Given data: V=2.20 Vl=43.0 md=0.04 in Need to determine the thermal energy will appear in the wire.

Q: Resistor 1 has twice the resistance of resistor 2. The two are connected in parallel and a potential…

A: Given data:  R1 = 2R2 Both resistors are connected in parallel combination

Q: Calculate how many electrons pass per second through a conductive wire connected to a 100W lamp at…

A: Given: a)Power P = 100W                                                       b)Power P = 100W…

Q: Four 20.0 W resistors are connected in parallel and the combination is connected to a 20.0 V…

A: The equivalent resistance of  four parallel resistors is    R=1R1+1R2+1R3+1R4-1    =120.0 Ω+120.0…

Q: When the ends of a resistor are at different electric potentials, then we have set up a. resistivity…

A:

Q: Two identical resistors are connected in parallel across a 6.0 V battery. If a 0.5 A current is…

A:

Q: An electric bulb is is connected between terminals of 10V battery. The filament of the bulb…

A: Given :- V= 10 V resistance (R) = 0.3Ω t = 1 min = 60 sec Q(charge) = ?

Q: Resistor 1 at 15.00 degrees Celsius has a value of 76.18 ohms. Resistor 2 at 33.80 degrees Celsius…

A: The variation of resistance with temperature is given by the formula R=R0( 1+α(T-T0)Where, R0 is the…

Q: Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the…

A:

Q: If two blocks of equal volume are made of the same material. Two resistors are fabricated from the…

A: Given data: - The resistance of resistor 1 is R1 = 3 Ω.

Q: Which of these statements correctly describes the relation between the resistance of the light bulb…

A: Resistance of the light bulb increases as the temperature of its filament increases. The current in…

Q: You have two resistors whose values you do not know, connect them in series and add 12 V. When you…

A:

Q: When unequal resistors are connected in series across an ideal battery, a the same power is…

A: Given: The unequal resistors are connected in series across an ideal battery.

Q: Which of the following statements is true? A battery is a current source. Current only flows through…

A: ( Option 1 ) : A battery is not a current source , it's a voltage source. So, option 1 is not true.

Q: What will happen to the brightness of bulb A if the circuit will be added a bulb B with the same…

A:

Q: The equivalent resistance of the resistors below is about: w 3Ω 5Ω M_M_ m O 13.7 2 O The answer is…

A: solution s given as

Q: When unequal resistors are connected in parallel in a circuit, a the same current always runs…

A: Ans: The correct option is (b) ie the potential drop is always the same across each resistor.…

Q: If doubling the voltage across a resistor doubles the current through the resistor then the resistor…

A: Answer :- the resistor value did not change  If doubling the voltage across a resistor doubles the…

Q: In a closed electric circuit, electrons flow I) from the + to the - terminal of the battery through…

A: The flow of electrons is termed electron current. Electrons flow from the negative terminal to the…

Q: A potential difference V is applied across a circuit which consists of two resistors which are…

A:

Q: Four 20.0 W resistors are connected in parallel and the combination is connected to a 20.0 V ideal…

A: Given data: Four, 20Ω resistors are connected in parallel, and the combination is connected to a 20…

Q: ectric current, which resistor will dissipate the greatest amount of power: a small value…

A: Given:- For a given amount of electric current I A  Find:- which resistor will dissipate the…

Q: 34 - l. The internal resistance of an ideal ammeter is zero. II. The internal resistance of an ideal…

A: I. An ideal ammeter's resistance is zero because it is connected in series to measure the current to…

Q: The current supplied to a lamp with a 100-W light bulb is 0.87 amps. The lamp is wired using a…

A: Power = 100 W current (I) = 0.87 A diameter of the wire = 2.588 mm

Q: A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature…

A: