A resistor of 3 ohms is connected in parallel with one of 2 ohms resistance. If the combination is connected in series with a 4 ohms resistor. What is the equivalent resistance of the whole combination of three resistors?

Q: A circuit has a resistance of 3.6 ohms and draws a current of 4.2 A what is the potential difference…

A: First Question: The potential difference (V) across a conductor equals the product of the current…

Q: The equivalent capacitance of a circuit is 2.5µF with a total potential difference of 12V. What is…

A: The relation between the charge, voltage and capacitance is  Q = C V

Q: A subwoofer needs a household voltage of 110 V to push a current of 5.5 A through its coil. What is…

A: Given  Voltage V=110 V Current I=5.5 A

Q: A transformer is designed to step down the 220 V. line voltage to 31 V. If there are 1115 turns on…

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Q: A simple electric circuit has a 34 V battery and a resistor of 3 ohms. What will be the current in…

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Q: a transformer has a primary coil with 5000 windings and a secondary coul with 100,000 windings. if…

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Q: If a circuit has a resistance of 20 ohms and a current of 18 A, what is the voltage ?

A: The answer is below

Q: What is the total circuit resistance when resistive elements of 5, 10, 15, and 20 Ω are connected in…

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Q: How much heat will be released in the winding of an electric motor in 25 minutes if its active…

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Q: The voltage in an electrical circuit is 120 volt. Its resistance is 50 ohms. What is the current in…

A: Resistance of the  circuit =50 ohm Voltage across resistance =120 volts

Q: A circuit consists of a 10.0-ohm resistor, a 15.0-ohm resistor, and a 20.0-ohm resistor connected in…

A: Given data:  Three resistors are connected in parallel combination R1 = 10.0 Ω, R2 = 15.0 Ω and R3 =…

Q: What is the current produced by a voltage of C. 240 V through a resistance of 0 2 0?

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Q: A transformer has a primary with 4000 windings and a secondary coil with 78,000 windings. If the…

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Q: What is the power rating of a heating coil with a resistance of 12 ohms that draws a current of 20…

A: Given that the value of resistance and current then we have to determine the power rating of the…

Q: What is the current (in amperes) drawn by an 840 W toaster attached to a 120 V outlet?

A: Given that            The power of the toaster is (P) = 840W            The voltage (V) = 120V We…

Q: How much current is “drawn” by a 75 W lightbulb connected to a 120 V outlet?

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Q: What is the equivalent resistance of a 200 Ohm and an 800 Ohm resistor connected in parallel?

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Q: The transformer on a model train set steps down the voltage from 120 Volts to 9.0 Volts. If the…

A: Voltage of primary coil , Vp = 120 V Voltage of secondary coil , Vs = 9 V Number of turns on…

Q: If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in…

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Q: What is the cross-sectional area and diameter of tungsten wire that has a length of 1.0 meters and a…

A: Given data:   Length, L = 1 m    Resistance, R = 0.32 Ω

Q: kilometer of wire having a diameter of 11.7 mm and a resistance of 0.031 ohm is drawn  down so that…

A: d1=11.7 mm d2=5 mm resistance, R= 0.031 Ohms Initial length= l1= 1km  We know volume will remain the…

Q: What is the total resistance when 10 resistors are put in parallel if each of them individually has…

A: When 10 resistors of equal resistance are put in parallel, 1Req=1R+1R+.....+1R10times1Req=10RReq=R10

Q: if the current passes R1 is 25mA and the voltage at R2 is 25 V, what is the value of R2 ?

A:

Q: If a 9 volt battery produces a current of 3 Amperes, what is the of the resistance of the wire the…

A: The equation for the resistance in the wire can be given as

Q: A 200-Ohm resistor and a 500-Ohm are in series as a part of a larger circuit. If the voltage across…

A: Given, Resistance R1 = 200 Ω Resistance R2 = 500 Ω Voltage across  the 200-Ohm resistor V1 = 2 V…

Q: What is the voltage of a power source in a circuit that passes 3.6 A of current through a 4.2 Ω…

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Q: A 10-ohm resistor has a constant current. If 1,200 C of charge flow through it in 4 minutes what is…

A: Given data:  Charge (q) = 1200 C Time (t) = 4 min = 240 seconds Required: Current (I)

Q: How many milliamperes of current flow through a circuit with a 40 V source and 6.8 kΩ of resistance?

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Q: What is the voltage of the battery if the capacitance is 2.0x10^(-6) F and the charge is 3.0x10^(-5)…

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Q: What is the voltage (in V) when the current is 168A and the resistance is 10ohms?

A: V= I.R Given V= ? I= 168 A R= 10 ohm

Q: For a SERIES CIRCUIT which has five (5) resistors with each resistor being 10 Ohms, what is the…

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Q: What is the voltage across a 100 Ω resistor with a current of 4.5 amps?

A: Using Ohm's law, V=IR

Q: A transformer has a primary coil with 6000 windings and a secondary coil with 120,000 windings.  If…

A: Given value--- Number of turns in primary coil = 6000. Number of turns in secondary coil = 12000 .…

Q: If the potential difference across a length of wire is 3V and the resistance is 5Ω.…

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Q: What is the resistance (in ohms) of a typical 40-Watt light bulb plugged into a 120-Volt outlet in…

A: Given Data   The power of the light bulb is P = 40 W The voltage outlet in the home is ∆V = 120 V

Q: What is the potential difference needed to produce a current of 5 A in a resistance of 40 Ω ?

A: Given that                        The current in the circuit is (I) = 5A                   and the…

Q: What is the current, in mA, of a 3 kilo-Ohm resistor hooked up to a 120 V voltage source?

A: Given,

Q: If the potential difference is 120 volts and the resistance of 50 ohms. What is the current?

A: Voltage, V =120 V  Resistance, R =  50 ohm

Q: A kilometer of wire having a diameter of 11.7 mm and a resistance of 0.031 ohm is draw down so that…

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Q: Each of the resistors in the following circuit has a resistance of 30 Ohms. What is the equivalent…

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Q: The current in an electric lamp is 5 amperes. What quantity of electricity flows towards the…

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Q: A transformer is designed to take an input voltage of 120V AC and output it to 9 V AC. If there are…

A: Solution,

Q: If a 2000.0 ohm resistor has a current of 1.5 Amps going through it, how much power does it turn…

A: The expression for the power is,

Q: how many electrons pass by a point every second if a 0.200-amp current is flowing?

A: The current is defined as the rate of flow of charge carriers. The direction of the current is given…

Q: What is the total resistance if each resistor is 50 ohms

A: