When a cell of emf 6 V is connected in a circuit gives a terminal voltage of 5.25 V for a total current of 1.5 A. The internal resistance of the cell is

Q: The terminal voltage of a battery of emf 10 V and internal resistance 3 2 connected in a closed…

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Q: How many electrons are flowing per second past a point in a circuit in which there is a current of…

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

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Q: If an electrical component with a resistance of 49 Ω is connected to a 114-V source, how much…

A: Current: The rate of flow of the charge is known as current. The SI unit of the current is Ampere.

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 10.0 V battery is connected across two resistors in series. If the resistors have resistances of…

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Q: The emf of a particular battery is 45V and the internal resistance is r=7Ω. When attached to load…

A: a) The required terminal voltage is,

Q: A capacitor with a capacitance of 98 microfarads is discharged through a resistance of 81 kilo-ohms.…

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Q: + 12 volts 4 2 7.50 If the internal resistance of the battery is to be considered, the total current…

A: Given 4 ohm and 7.5 ohm resistor are in parallel . Battery emf E = 12 V. Total current of ckt i =…

Q: A voltmeter connected across the terminals of a tungsten-filament light bulb measures 112 V when an…

A: Here we have to use some basic formula.

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: If an electrical component with a resistance of 65 Ω is connected to a 120-V source, how much…

A: Given: Resistance (R) = 65 Ω Supply voltage (ε) = 120 V.

Q: If a 15-ohm resistor is connected in parallel with a 30.-ohm resistor, the equivalent resistance is…

A: The equivalent resistance of two resistors connected in parallel is given by,

Q: Two resistors are each made of carbon (resistivity of 3.5×10−5Ω⋅m. One of these resistors is 2.5cm…

A: Write a given values of this question.…

Q: An electric heater carries a current of 13.0 A when operating at a voltage of 1.50 x 102 V. What is…

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Q: A copper wire which has resistance of 30 carries a current of 0.2 A. Which is the voltage of the…

A: The expression for voltage from ohm’s law,

Q: In the circuit shown, the battery voltage. V = 15V and the load resistance, R = 351 www V A Battery

A: Given:

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 14.6 Ω. When they are…

A:

Q: Six lead-acid type of secondary cells each of emf 2.0 V and internal resistance 0.015 2 are joined…

A: Given value --- Number of cell = 6 . E.M.F = 2 V. internal resistance = 0.0152 ohm. external…

Q: When a battery is connected to a load with a resistance of 40.0 Ω, the terminal voltage is 24.0 V.…

A: Let battery is having emf E and internal resistance r .  Circuit -1 -When battery is connected to a…

Q: A voltaic cell provides a current of 0.5 A when in a circuit with a 3 2 resistor. If the internal…

A: using ohm law voltage across a circuit V = IR where I = current R = resistance  voltage across cell…

Q: A “D” cell of emf 1.5 V and internal resistance of 0.3 Ω is connected to a flashlight bulb whose…

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Q: What is the resistance (in ohm) of an electrical component if a current of 0.5 A passes through it…

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Q: The current passing through a resistor in a circuit is 0.01 A when the voltage across the same…

A: If the voltage across the resistance and current passing the same resistor is, V=IR5 V=0.01 AR…

Q: What happens to the current in a circuit if a 100 resistor is removed and replaced by a 202…

A: we know that  according to ohms law   Initial resistance V= IR For constant voltage  I  α  1/R R1 =…

Q: Five cells, each with emf of 1.5V and internal resistance of 0.5Ω are connected in (a) series, (b)…

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Q: The light bulb used in an overhead projector has a resistance of 24 ohms. What is the current…

A: According to ohm’s law,

Q: A circuit in a TV has an overall resistance of 28 Ω. The current in the circuit is 0.1 A. Find the…

A: Voltage is,

Q: If an electrical component with a resistance of 50 Ω is connected to a 112-V source, how much…

A: Given data:  Resistance (R) = 50 Ω Voltage (V) = 112 V Required: Current (I)

Q: The voltage across the 20 kOhm Resistors is Volts. 5 k. + + I)

A: According to question we need to find voltage across 20 k ohm resistance?

Q: The battery of an electronic device has an emf of 9.6V and internal resistance of 1.36 ohm. How much…

A: Emf of battery (E) = 9.6 volts Internal resistance (R) = 1.36 ohm Energy (e) = 856.6 Joules Time (t)…

Q: An electric heater carries a current of 14.0 A when operating at a voltage of 1.80 × 102 v. What is…

A: Given, Current=14A Voltage=1.80×10^2v Resistance=?

Q: An electric heater carries a current of 13.5 A when operating at a voltage of 1.20 × 102 V. What is…

A:

Q: "A circuit with parallel connected resistors of 2 ohms, 5 ohms, 10 ohms and 15 ohms. On which…

A:

Q: In the circuit given below, the current through the 4 ohm resistor is H- 16 4 8 7 V

A: Resistances are those electrical components that are used to restrict the flow of current through a…

Q: Three identical cells, each of 4 V and internal resistance r, are connected in series to a 6 ohm…

A: Total emf = 3 x 4 = 12 V Total resistance = 6 + 3r Current in the circuit = 2 A

Q: You have a battery of 960 V and four (4) resistors each with a resistance e of 40 Ohms. If you make…

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Q: A circuit consists of a battery connected to three resistors (70 2, 30 N, and 170 2 ) in parallel.…

A: current through 30ohm is 1.8 ampere and through 170ohm is 0.31 ampere.

Q: The unloaded terminal voltage of a battery is 4 V. The internal resistance of the battery is 3 Ω. If…

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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

A: V = 12 volts  R1 = 4 Ω  R2 = 7.5 Ω  Current is I = 3.52 A

Q: Four identical filaments are connected together in series inside a decorative light bulb. Each…

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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: What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it…

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Q: A load in an electrical circuit has a voltage of 120V and a resistance of 100.0 ohms. How many…

A: Ohm's law is given by,  V=IR Here, V is voltage, I is current and R is resistance.  Given : V=120…

Q: In the circuit shown, the battery voltage, V = 9V and the load resistance, R = 202. V + A R V The…

A: The ammeter reading is the value of current through the circuit. We will find the current through…

Q: The voltage Vo in the given circuit diagram is 11,3 V Li 12 V 2kQ2 10 kn

A: