What is the value of the unknown R if the voltage across the 500Ω resistances is 4 V?

Q: According to Ohm's Law, if you were to plot the voltage V on the vertical axis and the current I on…

A: Given data:  Graph between voltage and current  Voltage on the vertical axis and current on the…

Q: An uncharged capacitor and a resistor are connected in series to a battery. If V=35V, C=6µF, and…

A: Maximum charge = C * V  = 6 * 10-6 * 35 = 2.1 * 10-4 CoulombMaximum current = V/R  = 35/8  = 4.375…

Q: If 5.0 × 1021 electrons pass through a 30.1 Q resistor in 10 min, what is the potential difference…

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Q: What resistance values can be createdby combining a 1 kΩ resistor and a 10 kΩ resistor?

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Q: In the figure the ideal batteries have emfs ε1 = 150 V and ε2 = 50 V and the resistances are R1 =…

A: Given that: ε1= 150 Vε2 = 50 VR1 = 3.0 ΩR2 = 2.0 ΩVP = +110 V It is required to determine the…

Q: Write a mathematical relation for E (Stored Energy) in terms C (Capactiance) and V (Voltage)

A: Here we have to Write a mathematical relation for E (Stored Energy) in terms C (Capactiance) and V…

Q: In the figure below, take R1 = 260 Q, R2 = 180 Q, and R3 = 68 Q. A potential %3D difference of 9.0 V…

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Q: In the figure the ideal batteries have emfs E1 = 5.25 V and E2 = 13 V, the resistances are each 2.02…

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Q: The figure shows an open switch, a battery of potential difference V, a current-measuring meter A,…

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Q: The minimum of input voltage required for regulation to be established in Figure below. with…

A: CONCEPT:

Q: A silver wire of radius r0.5 mm and resistance 0.06 Q is connected to a voltage source of 1.6 mV.…

A: Solution: radisu r = 0.5 mmresistance R = 0.06 Ohmvoltage V= 1.6 mVcharge density, n =1.59x1028 m-3

Q: If 5.0 × 1021 electrons pass through a 32.5 Q resistor in 10 min, what is the potential difference…

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Q: In Kirchoff's experiment, If we measure h = 0.3 mA, I2 = 0.4 mA, and R = R2 = R3 3000 Ohm then the…

A: Given,I1 = 0.3 mAI2 = 0.4 mAR1 = R2 = R3 = 3000 Ω

Q: In the figure the ideal batteries have emfs ε1 = 18.2 V, ε2 = 9.68 V, and ε3 = 4.90 V, and the…

A: Consider the left Loop

Q: In a circuit, the potential drop across the 10 resistor is 100 V. What is the current through the…

A: Given, Resistance of the circuit, R = 10 Ωpotential drop across the resistor, V = 100 V

Q: According to Ohm's Law, as resistance increases from R to 2R, to maintain the same current, the…

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Q: What is the range of values of the electrical resistance, in ohms, of the resistor with color bands:…

A: Required : Resistance. The orange color corresponds to 3 The white color corresponds to 9 Brown…

Q: What magnitude of current (in A) will flow in a 8 Q resistor if the potential difference across it…

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Q: When the potential difference, V, across an ohmic resistor is increased, what effect does this have…

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Q: the current of a 30 ohm resistor is measured to be 0.35 amps. what is the emf E of the battery?

A: Given data Resistance (R) = 30 ohms Current (I). = 0.35 A  Emf of the battery = ?

Q: What is the capacitance of a nanoparticle that has a radius of 10.00 nm?

A: Consider particle to be spherical and assume it to be a charged conducting sphere hence its…

Q: What value resistor will discharge a 1.0 µF capacitor to 10% of its initial charge in 2.0 ms?

A: Write the given values of the problem- Discharge=1.0 μF Capacitor=10 % Initial charge=2.0 ms

Q: A 2.3-µF capacitor is charged through a 45-kΩ resistor. How long (in seconds) does it take for the…

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Q: According to the figure, how many V is the voltage value between cb?

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Q: If the unknown resistor, R, is 20 Q, what is the voltage drop across that resistor, R? 10 0 10Ω. 10…

A: Solution:Here R1, R2 are in series thus…

Q: Find the voltage V

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Q: Q4: For a Si conductor of length 5um doped n-type at 1015 cm-3. Calculate the current density for an…

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Q: What value resistor will discharge a 2.90 μF capacitor to 20.0% of its initial charge in 2.60 ms?

A: Formula for the discharging of a capacitor is:

Q: What is the potential difference across a 15 ohms resistor when a current of 6.5A passes through it?

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Q: What is Voltage associated with 0.07 amps passing through a 87 resistor?

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Q: In the figure the ideal batteries have emfs E1 = 4.89 V and E2 = 10.2 V, the resistances are each…

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Q: What is the voltage drop across the 11 ohm resistor? Your answer V=? (60 V 42 v=?

A: Using Ohm's law to calculate the voltage drop across 11 ohm resistor,

Q: In the circuit shown both capacitors are initially charged to 45.0 V. (a) How long after closing the…

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Q: In the figure the ideal batteries have emfs & = 150 V and 82 = 50 V and the resistances are R, = 3.0…

A: Suppose i current flows through the circuit. So using kirchoff's voltage rule, E1 - iR2 - E2 - iR1 =…

Q: In the figure below, what is the potential difference Vd - Vc between points d and c if 1 = 4.8 V, 2…

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Q: A 13.0 kΩ resistor and a capacitor are connected in series and then a 20.0 V potential difference is…

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Q: 7. A capacitor with a capacitance of C = 27.7 μF is slowly charged by a constant current of I = 53.7…

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Q: In the figure the ideal batteries have emfs ε1 = 150 V and ε2 = 50 V and the resistances are R1 =…

A: The current in the circuit is,

Q: If three cells of 1V, 1.5V, 2V are connected in series, then the total e.m.f will be:

A: Given, Three celss are connected in series

Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage…

A: Given data:  Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ

Q: The voltmeters in the figure measure RMS voltages. If V, = 23 V and V, = 14.5V what is V3? %3D R VI…

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Q: A cell phone contains a battery rated at 2600 mA # h = 2.60 A # h. How many electrons can this…

A: Introduction: Current=ChargeTime Ampere is unit of current mA = milli Ampere is smaller unit of…

Q: For a 6.8 µF capacitor which voltage across it as shown below, what is the current flowing into the…

A: The expression of current through a wire due to flow of charge q(t) through is i=dqdt For a…

Q: Two 3.8microF capacitors, two 2.2kohms resistors and a 16.0V source are connected in series.…

A: Resistors and capacitors are in series.

Q: A capacitor with capacitance C = 2.5 μF is charged to a voltage V = 5V. It is then discharged…

A: C = 2.5 μF V = 5 volts R = 100 ohm

Q: How many time constants must elapse if an initially charged capacitor is to discharge 55% of its…

A: The expression for the energy stored in the resistor at time t is: E=E'e-2t/RC As per the problem,…

Q: What is the maximum voltage that can be applied to a 10-k Ω resistor rated at 1/4W ?

A: Given data The resistance is given as R = 10 kΩ. The Power is given as P=14 W=0.25 W.   The…