When two 500 Ohms resistors are combined in parallel, does the equivalent resistance equal 1000 Ohms

Q: The parallel combination of five cells, each with an electromotive force of 2.5 V and internal…

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Q: Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if resistivity of…

A: Given data: Length of the copper rod, L=2 m Radius of the rod, r=Diameter2=8.0 mm2=4.0×10-3 m…

Q: Two resistors are connected parallel. Both values are 16 ohms. If the voltage on the battery is 12v,…

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Q: What battery voltage is necessary to supply 0.63 A of current to a circuit with a resistance of 24…

A: Given data: Current (I) = 0.63 A Resistance (R) = 24 Ω Required: Battery voltage (V)

Q: Calculate the total resistance in a parallel circuit if there are three resistors that are: 4…

A: Given data: Resistors     R1=4ΩR2=4ΩR3=6Ω

Q: identical light bulbs are connected to two power supplies, ε1 = 40 V, and ε2 = 80 V. Each light bulb…

A: Equivalent resistance in series  R = R1 + R2  Equivalent resistance in parallel  1/R = 1/R1 + 1/R2

Q: Three resistors are arranged in parallel in a circuit. They have individual resistances of 5 ohms…

A: In parallel combination of resistors, the equivalent resistance can be calculated as,…

Q: A series circuit has a 9 V battery and 3 light bulbs, each with a resistance of 8 ohms. Calculate…

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Q: A coffee cup heater and a lamp are connected in parallel to the same 120 V outlet. Together, they…

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Q: A battery having an emf of 9.4 Volts and an internal resistance of 0.04 ohm is connected to an…

A: EMF ε = 9.4 Volts Internal resistance r = 0.04 Ω External resistance R = 1.50 Ω Current i = ?…

Q: The parallel combination of five cells with electromotive force of 1.5 V and internal resistance of…

A: I=rncells+Rext=5.0 Ω5+0 Ω=1.0 A

Q: robot is being built using two 12 Volt batteries connected in series.  What resistance should be…

A: When two batteries are connected in series, then the total voltage in the circuit will be,

Q: Two resistors connected in series have an equivalent resistance of 690 Ω. When they are connected in…

A: Suppose the resistance of each resistor to be R1 and R2 ohms Given Series equivalent = 690 ohms…

Q: A certain light bulb has a resistance of 230 Ω. If a current of 1 A is going through it, calculate…

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Q: Draw a Combination Circuit ( 2 resistors in parallel connection + 3 resistors in series connection)

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Q: A parallel circuit is constructed using a 120 Ohm, a 350 Ohm, and a 1200 Ohm resistor. What is the…

A: Given: Resistance

Q: Two identical resistors in series have an equivalent resistance of 8 Ω. If the resistors        were…

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Q: Three resistances of 4 ohms, 12 ohms, and 8 ohms are available, Calculate the total resistance if…

A: Given: The resistances are 4 Ω, 12 Ω and 8 Ω.

Q: Two resistors connected in series have an equivalent resistance of 638 2. When they are connected in…

A: Given:The Equivalent resistance of the resistors when they are connected in series,R1+R2=638 Ω…

Q: The circuit below has a voltmeter that reads 8-V connected, in parallel, to resistor with unknown…

A: Given Voltage across the unknown resistor is V=6 V Current in the circuit is i=3 mA=3×10-3 A   We…

Q: an electrical thermometer has a copper element and its resistance is 30 ohms at 20°C. what is its…

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Q: What is the equivalent resistance of a 3.0 resistor and a 6.0 resistor connected in parallel

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Q: How much current is flowing from a 12-volt battery connected to a 3.5 Ohm resister?

A: According to Ohm's law Potential difference V through a conductor having current I and resistance R…

Q: Calculate the equivalent resistance (in Ω) between points a and b. If a voltage of 47.4 V is…

A: The voltage applied between points a and b is 47.4 V. Initially, 12 ohm and 6 ohm are in parallel…

Q: A potential difference of 20V is applied across the ends of a resistance of 5 ohms. What current…

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Q: An electric heater carries a current of 13.5 A when operating at a voltage of 120 V. Calculate the…

A: Current, I = 13.5 AVoltage, V = 120 V

Q: Two resistors connected in series have an equivalent resistance of 644 Ω. When they are connected in…

A: The equivalent resistance when the two resistances are connected in series is 644Ω. So, The…

Q: Collect data: Measure the current in the circuit using the resistor and voltage combinations given…

A: Given : Set of Voltage and Resistance values, Required : Data of Current

Q: A letter A is constructed of a uniform wire of resistance 1 ohm per cm. The sides of the letter are…

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Q: Two resistors are connected in parallel to a 12-V battery. If the resistances are 8 ohms and 24…

A: Two resistor are connected in parallel to a 12-V battery. resistances are  R1 = 8 ΩR2 = 24 Ω

Q: Two resistors connected in series have an equivalent resistance of 716 2. When they are connected in…

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Q: A battery having an emf of 12.4 Volts and an internal resistance of 0.06 ohm is connected to an…

A: Given,  emf of the battery, ε=12.4 V Internal resistance, r=0.06 Ω External Resistance, R=2.50Ω…

Q: When a pair of 1-ohm resistors are connected in series, their combined resistance is O 2 ohms, and…

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Q: Two fixed type resistors, 4 ohms and 7.5 ohms, are connected in parallel. 12 volts 4 2 7.50…

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Q: When using a voltmete on the circuit below, the voltage running through each bulb is 12 V. What is…

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Q: Three resistors with resistances 2 Ohms,4 Ohms, and 6 Ohms respectively, are connected to a 6V…

A: The formula for the equivalent resistance for the resistors in parallel combination is:

Q: Calculate the resistance of a wire which has a uniform diameter of 1.72mm and a length of 312.5cm if…

A: We have to use basic formula here.

Q: Five cells, each with emf of 1.5V and internal resistance of 0.5Ω are connected in parallel. The…

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Q: Three resistors of 50 ohms, 100 ohms, and an unknown resistance R are connected in parallel and the…

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Q: The parallel combination of five cells, each with electromotive force of 1.5 V and an internal…

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Q: Each cell in the figure has an emf of 2.18 volts and an internal resistance of 0.130 ohms. Calculate…

A: Each cell in the figure has an emf of 2.18 volts and an internal resistance of 0.130 ohms

Q: Two resistors with values of 31 ohm and 47 ohm, respectively are connected in series and hooked to a…

A: Resistance of resistors, R1=31ΩR2=47Ω Voltage of battery, V=12V Let the current passed and power…

Q: Two resistors with values of 29 Ω and 34 Ω, respectively, are connected in series and hooked to a 12…

A: Resistance of resistors, R1=29 ΩR2=34 Ω Voltage of battery, V=12 V Let the current in the circuit be…

Q: 15. If R is the total resistance for a parallel circuit with two resistors of resistances rị anGI,…

A: 15.  R = 20 ohm  r2 = 74 ohm

Q: A 600 Ohm resistor must be combined with what Ohm resistor in parallel to make the equivalent…

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Q: The resistance of an electric heater is  90 Ω  when connected to 120 V. How much energy does it use…

A: The power of heater is P=V2R=120 V290 Ω=160 W

Q: The current flowing through a pair of identical light bulbs connected in series is 0.25 they are…

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Q: Internal resistance

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