If you want your 12.6 V car battery to power your new 200 V aftermarket sound system, what is the required ratio of loops on the primary coil to loops on the secondary coil?

Q: Military aircraft use 400-Hz AC power, because it is possible to design lighter-weight equipment at…

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Q: Which of these devices is used to increase the power of a signal? 1) Amplifier 2) Voltage regulator…

A: As the signal travels a long distance, the power of the signal is weak, so we have to increase the…

Q: If you are planning to make an idea charger (step down transformer) with an  output of 5.0V when it…

A: The required expression for the required ratio of output to input turns of coils is,

Q: Why does an iron core that extends inside and connects the primary and secondary coils intensify…

A: Magnetic materials are classified into different types based on their behavior in the external…

Q: A 60 Hz ac source provides a 200 amp current to a solenoid. The magnetic field is measured to be…

A: The magnetic field produced by a solenoid is calculated by using the formula B=μ0NIL , where…

Q: The charger cord used to recharge a cell phone contains a transformer that reduces I20 V AC to 5…

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Q: Estimate the average power output of the Sun, given that about 1350 W/m2 reaches the upper…

A:

Q: If a solenoid is 10 cm long and has a radius of 1 cm, how many coils would be necessary to make an…

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Q: A step-up transformer is designed to produce 1610 V from a 115-V ac source. If there are 392 turns…

A: The transformers are most commonly used in the power transmission of energy that is electrical in…

Q: What is the rate at which the current through a 0.3-H coil is changing if a voltage of 0.18 V is…

A: Given in question: Inductance of coil (L) = 0.3 H                                 Voltage induced(E)…

Q: Describe what effect the resistance of the connecting wires has on an oscillating LC circuit.

A: In an oscillating LC circuit, an inductor and capacitor is connected in series. When the switch in…

Q: The primary or input number of coils of a AC transformer has 500 turns while the secondary has 10…

A: Given data The number of coils in the primary coil is Np = 500 turns. The number of coils in the…

Q: A 60 Hz power line has an angular frequency “ω” (in rad/s) of:

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Q: A 1.7 kg body oscillates in SHM on a spring that, when extended 2.4 mm from its equilibrium…

A: Write the expression for the angular frequency of oscillation.

Q: If you had a graph of the current in an AC circuit and the generator EMF as functions of time, how…

A: about graphbetween current in an AC circuit and the generator EMF .

Q: which of the following oscillations in an rlc series circuit is characterized nu a decreasing…

A: The oscillations in an LCR series circuit is a decreasing amplitude.

Q: Angular frequency is just the regular frequency times 360o.

A: The given statement is, Angular frequency is just the regular frequency times 360o

Q: What is the rate at which the current though a 0.30-H coil is changing if an emf of 0.12 V is…

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Q: What is the inductance of a coil whose resistance is 105 Ω if it draws 0.47 A from a 119-V, 60-Hz…

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Q: What is meant by term ‘modulation’? Draw a block diagram of a simple modulator for obtaining an AM…

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Q: A sine wave reaches maximum positive voltage at: C. -90° A. 90° B. 0° D. 360°

A: Apologies. We only answer one question at a time. we will answer the first one as the exact others…

Q: In a generator, what are the carbon brushes used for?

A: Use of carbon brushes in a generator

Q: Calculate the RMS value, average value, and form factor of the elevated saw tooth type current wave…

A: We need to calculate rms value, average value and the form factor for the given current vs time…

Q: Two AC signals have the same amplitude but different frequencies.Are their root-mean square…

A: The root mean square amplitude depends only on peak amplitude.

Q: The direction of the induced emf in the coil as current increases from 0 up to 10A over 0.1 seconds…

A: The direction of induced emf is  perpendicular to the direction of magnetic field as well as the…

Q: What is the difference between the Helmholtz coil and Solenoidal

A: To differentiate between the Helmholtz coil and Solenoidal.

Q: What would happen to the frequency

A: I'm using expression of frequency to give a clear idea about its variation .

Q: How does a transformer keep the circuits oscillations going? And how can the frequency in a coil…

A: Given : To explain how does a transformer keep the circuits oscillations going? And how can the…

Q: Estimate the average power output of the Sun, given that about 1350 W/m² reaches the upper…

A: It is given that, ρ=1350 W/m2

Q: AC is converted into DC by a A) Condenser B) Rectifier C) Amplifier D) Filter

A: The correct option is (B).AC is converted into DC by a rectifier.

Q: A coil rated 700 Watts, 230 Volts, 60 Hz has a resistance of 60 Ω. What is the magnitude of the…

A: Given that- P=700 watts Vrms=230V f=60hz R=60ohm To determined that - What is the magnitude of the…

Q: How many turns does the secondary coil of a step-down transformer have to have, in order to reduce…

A: Depending on whether the transformer is a step down or step up transformer, the transformer will…

Q: Explain the term resonance relating to an RLC circuit.

A: To explain : resonance in a RLC circuit .

Q: What is the common frequency of ac in homes in the United States?

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Q: Do loudspeakers and headphones use the motor effect or the generator effect?

A: The motor effect is the term used when a current-carrying wire in the presence of a magnetic field…

Q: As per Faraday's law of electromagnetic induction, an emf is induced in a conductor whenever it…

A: Electromagnetic induction can be said to be a process in which when a charged object is passed…

Q: If the temperature in an oil-filled transformer increases from 18 C to 50 C, the increase in oil…

A: As we know that the specific weight of transformer oil is the ratio of weight at 20 degree Celsius…

Q: 9.13 The conductors of a single phase line are 4 cm in diameter. They are located 4 m apart and 8 m…

A: Let us consider a single phase line that is 4cm in diameter. Both are located 4m apart and 8m above…

Q: Balanced modulator is a circuit for the data signal with carrier wave to generate a digital…

A: We are asked about the function of balanced modulator.

Q: A 0.50 kg body oscillates in SHM on a spring that, when extended 2.0 mm from its equilibrium…

A:

Q: An electromagnetic relay has an exciting coil of 800 turns. the coil has a cross-sectional area of 5…

A: Given: Number of turns in the coil = 800 Cross-sectional area of the coil = 5 cm x 5 cm Air gap…

Q: Select a power amplifier which is biased exactly at cut off point in the AC load line. O Class A…

A: The answer is given below