The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm 2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3 .

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Answer 1

Question

Chapter 21, Problem 47P

(a)

To determine

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

(b)

To determine

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

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A 300. Q resistor is connected in series with a 4.00 F capacitor and a sinusoidal source of emf with Vrms = 40.0 V. a) Draw a phasor diagram showing the appropriate relationship among the voltage phasors across each of the three elements and the (single) current phasor. b) At what frequency will the amplitude of the potential difference across the capacitor equal the amplitude of the potential difference across the resistor? c) What is the rms current through the circuit at the frequency from part (b)?

Part A) What is the reactance of a 7.4 μF capacitor at a frequency of 70.5 Hz ? Express your answer using two significant figures. Part B) What is the reactance of a 7.4 μF capacitor at a frequency of 1.40 MHz ? Express your answer using two significant figures.

Answer 2

Question

Chapter 21, Problem 47P

(a)

To determine

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

(b)

To determine

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

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Answer 3

Question

Chapter 21, Problem 47P

(a)

To determine

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

(b)

To determine

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

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Answer 4

Question

Chapter 21, Problem 47P

(a)

To determine

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

(b)

To determine

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

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Answer 5

Chapter 21, Problem 47P

(a)

To determine

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

(b)

To determine

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

Answer 6

Chapter 21, Problem 47P

(a)

To determine

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

Answer 7

Chapter 21, Problem 47P

(a)

To determine

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

Answer 8

(b)

To determine

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

Answer 9

(b)

To determine

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

Answer 10

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Answer 11

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Answer 12

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Answer 13

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The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm 2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3 .

Solution Summary: The author explains the formula used to determine the capacitance of a parallel plate capacitor.

Concept explainers

The capacitance of capacitor, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

The frequency of alternating current at which capacitive reactance of a capacitor is equal to 5 Ω, if a parallel plate capacitor is made by placing a 0.1 mm thick sheet of paper between two 100 cm2 pieces of aluminium foil, given that the dielectric constant of paper is 2.3.

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Chapter 21 Solutions