Why we use AC for power transmission over long distances?
Q: Military aircraft use 400-Hz AC power, because it is possible to design lighter-weight equipment at…
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Q: An electric train for children operates at a voltage of 8 V. We plug in a transformer having a…
A: Given data: Number of turns in Primary coil (Np) = 930 Primary Voltage (Vp) = 120 V Secondary…
Q: An ac generator is connected to a device whose internal circuits are not known. We only know current…
A: Given data: AC current: I=0.5Acos120πt+π4 AC voltage: V=170Vcos120πt
Q: An RLC circuit has a resonance frequency of 60 Hz. When this circuit is operated at30 Hz, does the…
A: The impedance of a RLC circuit is given by Z=R2+XL-XC2
Q: The current in an ac power line changes direction 120 times per second, and its average value is…
A: Since, Power can be written as, P=VI And also it is average of instantaneous current times voltage.…
Q: Last question: since most large solar installations are connected to the power grid (such as the…
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Q: What does an AC Analysis imply about the magnitude of a voltage being measured?
A: AC analysis of voltage AC analysis: AC stands for alternating current. AC analysis helps to study…
Q: A 100 2 resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in…
A: Given-Resistance of the resistor R=100 ohmSupply voltage V=220 VFrequency n=50 Hz
Q: For a three-phase AC load on an aircraft, briefly explain the difference between star-wiring and…
A: Star and Delta wiring are the two types of wirings in a 3 – phase circuits. A Star Connection is a…
Q: why does the current become 0 when the voltage source was changed from DC with 5V to AC Voltage…
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Q: -. If the peak value of the alternating current in a 950 W device is 5.0 A, then what is the rms…
A: Io=5Amp Irms= Io/√2=5/√2 Amp
Q: When the frequency of an ac circuit is increased at constant voltage, the current increases and then…
A: Impedance in LC Circuit ,Z=XL-XCwhen LC circuit is in resonance, Impedance become zero, and maximum…
Q: When alone in an AC circuit, inductors, capacitors, and resistors all impede current. How do they…
A: Every element has its own characteristics for the applied AC supply. For resistor, current is in…
Q: Why does alternating current work so well for wireless charging and induction stoves?
A: solution is given as
Q: Does the generator at power station produce dc or ac?
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Q: The primary or input number of coils of a AC transformer has 500 turns while the secondary has 10…
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Q: Each of the transformers shown here has its primary connected to a 120 V AC power supply and its…
A: Given: The primary voltage is Vp=120 V. The secondary load resistance is R=1000 Ω. The expression…
Q: A 100 ohm resistor is connected to a 220 V, 50 Hz ac supply. What is the net power consumed over a…
A: Given that,Resistance : R = 100 (Ohm)Voltage : V = 220 (V)Frequency : f = 50 (Hz)Here we need to…
Q: What is peak power consumption rate of a 100.0-W AC light bulb?
A: The peak power consumption can be calculated by the formula: Ppeak = 2(P)...................(1)…
Q: Why does an inductor act as an open circuit at high frequencies?
A: When AC current flows through an inductor the inductive coil will resist the flow of the AC current…
Q: An ac voltage, where peak value is 245 V, is across a 29 N. Calculate the followings: 1- The Irms…
A: Vrms=Vmax2 Using Ohm's law-Irms=VrmsR Peak value of current is-I0=2Irms Average power dissipated is…
Q: When discussing DC-circuits, we examined resistance. What is the corresponding analog in…
A: In DC circuit , resistance opposes current flow in the circuit .More will be the resistance ,less…
Q: A 100 ohm resistor is connected to a 220 V, 50 Hz ac supply. What is the net power consumed over a…
A:
Q: When a only capacitor is connected to AC source of 200 rms voltage the current in the circuit is 3…
A: Power,P=VrmsIrmscosϕ
Q: PR (W) 4.0- 2.0- t (ms 10 20 30 in
A: Introduction: The frequency of the wave is defined as the number of cycles per unit time, and the…
Q: (a) How much average power is dissipated in a short circuit of 232 V AC through a resistance of…
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Q: The resistance in an RLC circuit is doubled (a) Does the resonance frequency increase, decrease, or…
A: If the resistance is doubled, we need to determine whether the frequency will rise, decrease, or…
Q: why does a capacitor block DC but pass AC?
A: The frequency of the direct current is zero.
Q: State two ways to produce a higher emf in an ac generator?
A: The two ways to produce a higher electromotive force (emf) in a ac (alternating current) generator…
Q: A transformer has 500 turns in its primary and 300 turns in its secondary. 1200 V ac is connected to…
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Q: A circuit contains a light bulb and a capacitor (RC circuit) in series connected to an AC power…
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Q: e with a peak value of 141 VP was connected across an incandescent light bulb and a DC voltage of…
A: We know that the formula of the RMS value is given as rms of AC voltage = Vpeak 2Vrms= 1412=…
Why we use AC for power transmission over long distances?
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