emf Figure 21.54

Q: 15.0 (2 10.0 Q 20.0 Q 40.0 V イ介介分 16.0 Q

A: Given Data : The voltage of the battery is given as V = 40V The above-shown circuit has 2 resistors…

Q: Find the maximum current that a fully charged D-cell can supply-if only briefly-such that its…

A: Answer Given data  Terminal voltage of D-cell = v = 1.10 v emf of D- cell = ϵ = 1.70 v Internal…

Q: A 1.5 Volt (V) Battery is charged completely. If this battery attached to the terminals an of small…

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Q: How do you find the value of a resistance R1, in a circuit when the equivalent resistance is 40…

A: R2 = 12 Ω R3 = 40 Ω  R4 = 20 Ω  To find = R1 and current across each resistor

Q: tungsten filament of a lamp has a cross-sectional area of 5 x 10−9?2 , how long must it be

A: This question is based on resistance.

Q: ww 42 Battery =24 V 122 12 8 2 (3) the terminal voltage, VAc, of the battery (4) the power lost to…

A: In the given question, We have a circuit and we have to calculate the value of given parts according…

Q: A 6.00 V battery delivers a steady current of 1.25 A for aperiod of 1.50 hours. Calculate the total…

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Q: The table shous data for the voltage (), and current (1) pazsing through a certam resistor Does…

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Q: SA R₁ 20 R₂30 E₁8 V b Ry ww ΤΩ E₂6V

A: First we convert the given current source to its equivalent voltage source. Then we we use loop…

Q: A 238 V, 40 W tungsten lamp has a working resistance of how many Ohms (zero decimal place)?

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Q: If 12-V battery supplies 1.90 A to a 3.32Omega resistor What is the terminal voltage of the battery?

A: Given data:  Battery emf (E) = 12 V Current (I) = 1.90 A Resistance (R) = 3.32 Ω Required: The…

Q: If you try and measure the voltage of a battery with a voltmeter connected in series, you won't get…

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Q: Two identical resistors of 276 Ohms are configured in parallel and connected to a 13.3V power…

A: Write the resistance of a resistor.   R=276 Ohms   Write the voltage difference between the…

Q: What minimum number of 75-W lightbulbs must be connected in parallel to a single 120-V household…

A: The current through one bulb can be calculated as follows,

Q: only. A cen of emf 1.5 V gives a current of 15 A when connected directly to an ammeter of 0.04 Sa…

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Q: Suppose you measure the terminal voltage of a 1.560 V alkaline cell having an internal resistance of…

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Q: A cell has an emf of 1.54 V. When it is in series with a 1.0 ohm resistance, the reading of a…

A: Given data:  Emf (ε) = 1.54 V External resistance (R) = 1.0 Ω Terminal voltage (V) = 1.40 V…

Q: Suppose you measure the terminal voltage of a 3.200-V lithium cell having an internal resistance of…

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Q: When a R = 88.4 Q resistor is connected across a 11.2 V battery, a current of 113.3 mA flows. What…

A: Given  R = 88.4 ohm  V = 11.2 V  I = 113.3 mA  Rint =???

Q: If a voltmeter of resistance 1.00 MΩ is connected to measure the voltage across the 83.0-kΩ…

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Q: If the 0.100-mm diameter tungsten filament in a light bulb is to have a resistance of 0.200 Ω at…

A: Given - Diameter of tungsten filament ,d = 0.100 mm =0.100 x 10-3 m  Resistance of tungsten…

Q: kINDLY ANSWER THIS IMMEDIATELY, THANKYOU FOR HELPING OUT :) A storage battery has an emf of 25 V and…

A: The fall of a potential V across resistance r having current I is given as V=Ir .

Q: How many joules of energy are necessary to run a washing machine for 30 minutes if it is hooked up…

A: We know,  Power, P= V2/R  Energy dissipated, E = P * t = V2 × t /R  Given,  V = 220 V R = 10ohms t =…

Q: 7) Determine the internal resistance and the power dissipated by the internal resistance of the…

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Q: D (cm) A(cm?) | Length (cm) | I (A) | Voltage (mV) | Resistance (2) 337 27,7 TA 24 20 IA 16 Brass…

A: Length  Area  Current  Voltage We need to find formula to relate them

Q: In the figure resistor 1 = 126 2, resistor 2 = 81 2, and the ideal batteries have emfs ɛ1 = 29…

A: I=ER

Q: A certain medical device has a resistance of 2 kilo-Ohm and is rated for 20 Watts. What is the…

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Q: How much current will be flowiing through a 40.0 length of copper wire with  a radius 4.0 mm if it…

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Q: Four 1.5 V cells are connected in series to a 12 ohm light-bulb. If the resulting current is 0.45 A,…

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Q: A light bulb is rated at 300 W when operated at 120 V. How much charge in C enters (and leaves) the…

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Q: How many volts are supplied to operate an indicator light on a DVD player that has a resistance of…

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Q: A light bulb is rated at 300 W when operated at 120 V. How much charge in C enters (and leaves) the…

A: Given: The rating of the bulb is 300 W. The potential difference is 120 V. The time interval is 1…

Q: Calculate the terminal voltage for a battery with an internal resistance of 0.950 SN and an emf of…

A: (A) Given Data : The internal resistance of the battery is given as r=0.950 Ω The emf of the battery…

Q: Q11. A 16.0V emf automobile battery has a terminal voltage of 12.O V when being charged by a current…

A: Given data:  Emf (ε) = 16.0 V Terminal voltage (V) = 12.0 V Current (I) = 10.0 A Required: Internal…

Q: Suppose you measure the terminal voltage of a 3.200-V lithium cell having an internal resistance of…

A: The terminal voltage is  V=E-Ir where E= Emf, I= Current, and r= Internal Resistance.

Q: Suppose you measure the terminal voltage of a 1.6-V alkaline cell having an internal resistance of…

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Q: If the 0.100-mm-diameter tungsten filament in a light bulb is to have a resistance of 0.200Ω at 20.0…

A: diameter of tungsten (d) = 0.10 mm Radius of the bulb (r) = 0.05 mmResistance of the bulb (R) =…

Q: 25. When a resistance R (ohms) and a capacitance C (farads) are connected in series with an emf E…

A: