What is the value of resistor in ohms if the voltmeter reads 12.3v and ammeter reads 4.556mA and battery is 12volts

Q: A certain battery has a 12.0-V emf and an internal resistance of 0.100 Ω . What power does the…

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Q: A toaster has a resistance of 30 ohms. What power in watts does the toaster use when connected to a…

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Q: A calculator is rated 0.11 W and has an internal resistance of 22 Ω. What battery voltage is…

A: Power (P) = 0.11 W Internal resistance (r) = 22 ohm

Q: A 0.0200-Ω ammeter is placed in series with a 10.00-Ω resistor in a circuit. If the voltage is kept…

A: Given data: The resistance offered by the ammeter is R1=0.0200 Ω. The resistance offered by the…

Q: An RC Circuit consists of a resistor and a capacitor. If the capacitor were charged to 10 volts and…

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Q: A piece of wire of length 48.9 cm made from a material of resistivity 1.6 ohm-metre was used to…

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Q: A 9V battery having an internal resistance 20 is connected to a load resistor of 88. The current…

A: Internal resistance r = 2 ohm Load resistance R = 88 ohm emf of battery E = 9 Volt Concept : Suppose…

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: What is the voltage across the terminals of a 42 ohms resistor that has 0-091 A of current flowing…

A: Given data :      Resistance  =  R       Current   =  i      To find :  Voltage

Q: A simple electric circuit has a 28 V battery and a resistor of 6 ohms. What will be the current in…

A: The voltage of the battery = 28 V The resistance of the resistor in circuit = 6 Ohms

Q: Calculate the resistance and the current of a 7.5-Watt night light bulb plugged into a US household…

A: Given:  Power, P = 7.5 watt  voltage, V = 120 V

Q: Calculate the voltage if the resistance is 6.00 and the current is 3.0 A 0.50V O18V

A: Given data The resistance of the resistor is given as R=6 Ω. The current is given as I = 3 A.

Q: Several 50- ohm resistors are to be connected so that a current of 11 A flows from a 110-V Source.…

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Q: How is pd shared in parallel circuits?

A: To determine: How the potential difference will be shared in parallel circuits?

Q: A simple electric circuit has a 24 V battery and a resistor of 6 ohms. What will be the current in…

A: Given data:  Voltage (V) = 24 V Resistance (R) = 6 Ω Required: Current (I)

Q: A battery having an emf (ɛ) of 12V provides a current of 85mA when connected to a load of 1250. i)…

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Q: The vaule of resistance of resistor having 31 Voltage and current of 21 Amplere is ohm.

A: Write the given values of the problem- Voltage=31 Current=21 amp

Q: total

A: Given: Emf of the cell = 4V The terminal voltage of the cell = 3.6 V Total current = 2 A Internal…

Q: A 9 ohm resistor and a 16 ohm resistor are connected in series in a circuit with a 5.0 volt battery.…

A: Given ,           R1=90 ohmR2=16 ohmThese are connected in series , voltage V=5V

Q: What's the difference between total resistances in a series circuit vs total resistance in a…

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Q: In the circuit shown in the figure, two 360.0-Ω resistors are connected in series with an ideal…

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Q: A 9 ohm resistor and a 18 ohm resistor connected in parellel in a circuit with a 6.0 volt battery.…

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Q: Between a series and parallel circuit, which one would create the largest volatage?

A: According to voltages law in a circuit the sum of voltage rises is equal to the voltage drops or sum…

Q: The emf of a cell falls from 3 volts to 2.8 volts when it's terminals are joined to an electrical…

A: The total EMF of a cell is equal to the potential drop across the external load of the circuit plus…

Q: If a 4 Ohm resistor and a 12 Ohm resistor are conneted in parallel, what is the total resistance?

A: (given) Resistors R1 and R2 are connected in parallel. R1 = 4 Ω R2 = 12 Ω Resistance (R) = Potential…

Q: If the power applied to a system is 10 kW, what is the voltage across the line if the current is…

A: Given : power supply, P = 10 kW = 10000 W Current, I = 48 A

Q: Four resistors of same ohmic values in parallel yields 0.25 ohms terminal resistance. What will be…

A: Remember that when resistors are in parallel, then equivalent resistance is given by: 1/Req = 1/R1 +…

Q: Base on Figure 1, what is the unknown resistance value in ohms? (answer in 2 sig. fig.) No unit is…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: an electromotive force of a cell is 3.85 V anf is connected to a load of 4.25 Ω, the voltage drops…

A: (1)given thatemf, E=3.85 VR=4.25ΩV=2Vvoltage drop=EMF-internal voltage dropV=E-irwhere r is the…

Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 2.90 hours by an…

A: Given: The time interval is 2.9 h. The resistance of the circuit is 384 Ohm. The potential…

Q: The residential supply voltage is 240 V. Select one: O True OFalse

A: Electricity is generated at power plants located throughout the country and then distributed to…

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

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Q: A resistor of 10 Ohms has a current of 5 Amps flowing through it. What is the power?

A: Given : Resistance (R) = 10 ohms  Current (I) = 5 A

Q: What resistance must be placed in a 20 ohm resistor to make the equivalent resistance 0.952 ohms?

A: Given: Total equivalent resistance, Req = 0.952 ohms Resistance, R1 = 20 ohms   To determine the…

Q: Two identificado resistors have an equivalent resistance of 277 Ohms when connected in series.…

A: When  the two resistors are connected in series, equivalent resistance is given by Req=R1+R2 When…

Q: A battery supplies a water heater with a potential difference of 110v. If it’s resistance is 10…

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Q: An ideal voltmeter has equivalent resistance and ideal ammeter has equivalent resistance :

A: we know that the resistance of an ideal voltmeter is infinite and for ammeter it is zero.

Q: A 1.00-MΩ voltmeter is placed in parallel with a 75.0-kΩ resistor in a circuit. If the voltage…

A: The initial current through the resistance of 75 kΩ is, I=VR=V75 kΩ=V75×103 Ω The current passing…

Q: If the value of each resistance is 6 ohms. Pull the total resistance

A: as per the data given in the question, we have 12 resistors having a resistance of 6 ohms. when…

Q: The voltage in a circuit is 18 V and resistone is 6 ohms, tind ceurxent ļ

A: Given:-  Voltage = 18v                Resistance = 6 ohms  To find out:- current, I

Q: Two identical resistors have an equivalent resistance of 195 Ohms when connected in series. What is…

A: Given: The equaivalent resistance of two identical reistors is 195 Ohm.

Q: A 0.1 mV emf and a 2 cm cube of pure gold are connected. Calculate the current measured by an…

A: Given- Emf V=0.1 mV=0.1×10-3V Length L=2 cm=0.02 m Area A=0.02×0.02=0.0004 m2 Taking for pure gold…