Rectifiers are used to convert A. Direct current to Alternating current B. Alternating current to Direct current C. high voltage to low voltage D. low voltage to high voltage
Q: If the circuit has voltage, V, what is an expression for the current of the circuit?
A: Let R1= R2= R3= R4=R
Q: How can you compare alternating current (AC) and direct current (DC)?
A: Introduction :- Here we have to tell the difference between the direct current and alternating…
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A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…
Q: Which among the following is not a base unit? O a. Ampere O b. Kelvin Oc. Candela Od. Newton
A: Which among the following is not a base unit ? (a) Ampere (b) Kelvin (c) Candela (d) Newton
Q: Which of the following statements is incorrect?
A:
Q: Charge continues to flow until the ends of the conductor has the same? A. current B. Resistance…
A: Given: Charge continues to flow until the ends of the conductor has the same
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A: Correct option is Capacitor
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A: Electrical power
Q: When plugged into a 120-Volt outlet, a light bulb consumes 300 joules of energy over a 5 second time…
A: Given: Voltage, V = 120 V Energy, E = 300 J time, t = 5 s
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A: Coulomb’s Law: The force acting amongst two electric charges along a straight line is directly…
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A: Required: The unit of electrical power
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A: Given that:- The primary alternating voltage source is V1 = 120 V. The secondary alternating voltage…
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A: When a closed wire loop is placed in the magnetic field, it will feel a torque.
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A: Given : (a) Alternating Current (AC) (b) Direct current (DC) (c) Output Voltage Required : Which is…
Q: A transformer is a device used to increase or decrease the voltage through induction. Which…
A: a. This option is correct. The transformer is based on the principle of electromagnetic induction.…
Q: An alternating current consists of charges that A. move counterclockwise. B. move back and forth in…
A:
Q: A 502 resistor is wired in series with a 100Q resistor. The two are connected to a 10V battery pack.…
A:
Q: 9.The ratio of the number turns in the primary to the number of turns in the secondary is 1 is to…
A:
Q: 13. Household circuitry are prevented from overheating by means of a.a switch aa transformer C.a…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
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Q: 2. The branch current method uses A. Thevenia's theorem and Ohm's law B. Kirchhof's current law and…
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A: It states that total sum potential difference across a circuit is equivalent to ZERO.
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A: Ampere is SI unit of electric current . We know Electric current = charge / Time So , 1 Amp=…
Q: What happens to the current in a parallel circuit when the load or resistance is increased? a.…
A: In a parallel combination of resistors, the current through each resistor divides while the…
Q: What happens to the current in a parallel circuit when the load or resistance is increased? a.…
A: The correct option is a. current increases
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Rectifiers are used to convert
A. Direct current to Alternating current
B. Alternating current to Direct current
C. high voltage to low voltage
D. low voltage to high voltage
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Solved in 2 steps
- 9. What is the value of the peak voltage for 120 V AC power? What is the peak power consumption rate of a 60W AC light bulb?Choose letter only 52. Capacitor is a device used to ____________________. A. Store electrical energy B. Vary the resistance C. Store magnetic energy D. Dissipate energy 53. Capacitor stores which type of energy? A. Kinetic energy B. Vibrational energy C. Potential energy D. Heat energy 54. If a parallel plate capacitor of plate area 2m 2 and plate separation 1meter store the charge of 1.77 x 10 -11C. what is the voltage across the capacitor? A. 1V B. 2V C. 3V D. 4V 55. What is the value of capacitance of a capacitor which has a voltage of 4V and has 16C of charge? A. 2F B. 4F C. 6F D. 8F 56. For which medium capacitance is high? A. Air B. Mica C. Water D. MetalA particular transformer has a greater number of turns on the secondary winding than on the primary winding. This transformer is called Select one: a. a step-up transformer O b. a step-down transformer O c. an ideal transformer d. a nonideal transformer
- 17. A transformer that's used with a doorbell has a fixed output of A. 1 V. B. 10 V. C. 60 V. D. 120 V.Transformer is a device to convert A) D.C. to A.C. B) Low voltage D.C. into high voltage D.C. C) Low voltage A.C. into high voltage A.C. D) Mechanical energy into Electrical energyA. Weigh the nail first before turning the current on, and again while the current was on.B. Put the nail in water before turning the current on and again after turning the current off.C. Examine the nail under a microscope before turning the current on and again after turning the current off.D. See if iron filings will stick to the nail before turning the current on and again while the current is on.
- QUESTION 28 What is the purpose of a battery or a generator in a circuit? a. Restricts the flow of electrons or protons in a circuit. b. Takes energy away from charges so they may flow through a circuit. c. Gives protons potential energy, voltage, so they can flow through the circuit. d. Gives electrons potential energy, voltage, so they can flow through the circuit.8. What circuits has two or more loads but current flows through a single conducting path. a. parallel circuit c. simple circuitb. series circuit d. all of the above9. Which of the following least effective conductors?a. copper c. steelb. water d. gold10. The relationship between voltage (V) and current (I) was discovered by:a. Newton c. Ampereb. Ohm’s d. VoltaA transformer is a way to increase the electrical energy from one coil to the adjacent coil. This statement is a. false under special circumstances b. true c. false d. true under special circumstances