An electric lamp whose resistance is 402 and conductor of 82 resistance are connected in series to 12V battery in an electric circuit. Calculate the total resistance of the circuit and the current flowing through the circuit.

Q: When a material was connected to a 12-V source, the ammeter reads 1.75A. The voltage was then…

A:

Q: The circuit below has a voltmeter that reads 6-V connected, in parallel, to resistor with unknown…

A: Given : V = 6 V I = 3 mA = 3 x 10-3 A

Q: Resistor 1: 3.27 kilo ohms Resistor 2: 3.28 kilo ohms Resistor 3: 841 ohms   Resistors 1, 2, and…

A: given  Resistor 1: 3.27 kilo ohms Resistor 2: 3.28 kilo ohms Resistor 3: 841 ohms

Q: When a cell of emf 6 V is connected in a circuit gives a terminal voltage of 5.25 V for a total…

A: Given : emf of cell, E = 6 V             terminal voltage of cell, V = 5.25 V             Current, I…

Q: In an electrical circuit, what is the current (A) flowing through the wire if the initial voltage of…

A: Initial voltage, Vi = 18 V Final Voltage, Vf = 2Vi = 36 V Initial resistance, Ri = 35 Ohms Final…

Q: An electric heater has a coiled metal wire which draws a current of 100 A. The resistance of the…

A:

Q: Resistance of 3 and 6 ohms are connected in series with a battery consisting of dry cells of 1.5…

A: According to Ohm's law the net potential difference is given as  Vtot=ReqIWhere I is the current…

Q: When a battery is connected to 9 ohm resistance, its terminal voltage falls to 30 volts from 40…

A:

Q: The potential difference across the terminals of a cell is 1.5 volts . It is connected with a…

A: Introduction :  In this question we are provided it value of potential difference and resistance .…

Q: Two resistors connected in series have an equivalent resistance of 781.3 . When they are connected…

A:

Q: paraner O Calculate the current flow on R2 resistance using Oh R1 1.2 kQ Ammeter

A: Given values:- R1=1.2 kΩ=1.2 x 103 Ω=1200 Ω -----(1) R2=200 Ω -----(2) V=2.4 V -----(3) (a) Suppose…

Q: An electric bulb draws a current of 0.25 A for electric charge that flows through the circuit.

A: GivenCurrent, I=0.25 ATime, t=20 min

Q: Four resistors 13 Ω , 17 Ω , 20 Ω , and 39 Ω are in parallel. What is the equivalent resistance,…

A: Total resistance in parallel will be:

Q: A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor. If the current in the…

A: Given:  EMF of cell, E = 10 V  internal resistance, r = 3 ohm  current, i = 0.5 A

Q: A simple circuit consists of a light bulb connected to the terminals of a battery. A voltmeter shows…

A: From Ohm's law we know that the potential difference is directly proportional to the current.

Q: Three resistors: 1.00×102 Ω, 2.50 kΩ, and 4.00 kΩ are connected in parallel, what is this circuit’s…

A: First resistance (R1) = 100 ohm Second resistance (R2) = 2500 ohm Third resistance (R3) = 4000 ohm…

Q: when the voltage is 7.71V and the current is 198.2mA. Use ohm’s law , ammeter and voltmeter reading…

A: Scenario- Ammeter shows a reading of current and Voltmeter shows a reading of voltage. Given,…

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

A:

Q: What is the value of the equivalent resistance for the three resistors connected in parallel?

A:

Q: total

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

Q: In a 1500-W hairdryer when it is plugged in to 120 V calculate the resistance of the hairdryer.

A: Given that, Power, P=1500 WattPotential difference,V=120 VoltWe know that,Power, P=V2Rcan be written…

Q: of 5 > Two 1.5 V batteries are connected in series with a 165.4 Ohm resistor. What is the current in…

A: There are two batteries connected in series.R = 165.4 ohm

Q: Three resistors, 137 0, 97 0, 57 0, are connected in series. What is the total resistance of the…

A: The question can be solved by using the formula for effective resistance in a series connection.…

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: Three resistors are connected in series. They have resistances of 9, 8, and 3 Ohms. Determine the…

A: Equivalent resistance of resistors connected in series is given by  Req= R1+R2+R3=9+8+3 Req=20Ω

Q: Three resistors of 20, 50 and 60 ohms are connected to a battery having an emf of 15 volts. Draw the…

A:

Q: In a 1500-W hairdryer when it is plugged in to 120 V calculate the resistance of the hairdryer.

A: Given values: Power P = 1500 W Potential difference V = 120 V

Q: The circuit is connected for 2 minutes. Determine the current in each branch of the circuit, the…

A:

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: Four identical resistors each have a resistance of 627.6 ohms. What is the total resistance of these…

A: Given: Four identical resistors each with resistance, R=627.6 ohms are connected in parallel. To…

Q: What is the internal resistance of a dry cell which has an emf of 1.55 Volts if it has a short…

A: E.m.f of the circuit is E = 1.55 Volts Short circuit current is I = 22 A Suppose that internal…

Q: A battery of emf 10 V and internal resistance 32 is connected to a resistor. If the current in the…

A: The current is given by  I = ER+r where, E is the emf of the cell, r is the internal resistance and…

Q: A current of 0.167 A is flowing through an unknown resistor. The voltage drop across the resister is…

A: Given data:  Current (I) = 0.167 A Voltage drop (V) = 2.24 V Required: The resistance (R)

Q: The current in a circuit is tripled by connecting a 500 Ω resistor in parallel with the resistance…

A:

Q: Two resistors, each having a resistance of 30 Ω, are connected in parallel. What is the equivalent…

A: equivalent capacitance in case of resistor connected in parallel is given as 1R=1R1+1R2

Q: th a diameter of 1.3 cm, calculate its resistance. Determine the voltage drop over the brass wire…

A: Length of Brass wire,                           Diameter of Brass wire,…

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

A: