What supplies energy to move through a circuit?

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What supplies energy to move through a circuit?

A  potentiall  diffrence  provides  sunction  pressure.

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Description : Glass Blowing Supplies

Last Answer : There was a time, about a hundred or so years ago, when people used primitive tools and primitive equipment for blowing glass. Archaeologists believe the Ancient Egyptians were the first to employ ... scientists worry about that. Today, we have dozens of new glass blowing supplies at our disposal.

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Description : A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ohm. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is

Last Answer : A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ohm. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is 0.87

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Description : If I were to go to the midnight showing of Rocky Horror Picture Show, what all would I need to take?

Last Answer : answer:Water pistols used to be on the list but I’m guessing that has been discontinued. Bring some paper towels so you can wipe yourself off.

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Description : What would you bring if you were trapped on a dessert island?

Last Answer : id bring a boat.

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Description : A battery of e.m.f. 12V supplies a current of 5A for 2 minutes. How much energy is supplied in this time?

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Description : Consider a circuit with four 10 Ω resistors connected in parallel and the current flowing through the circuit is 5 A. What will be the current if the above 4 resistors are connected in parallel? A) 5 A B) 50 A C) 500 A D) None of these

Last Answer : Consider a circuit with four 10 Ω resistors connected in parallel and the current flowing through the circuit is 5 A. What will be the current if the above 4 resistors are connected in parallel? A) 5 A B) 50 A C) 500 A D) None of these

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Description : Briefly explain how the power factor of an inductive circuit can be improved.

Last Answer : As we know that power factor should be corrected to ensure that the current supplied is cost friendly. Meaning the power factor should be around one but not greater than one(0.8-0.9) in a ... an inductive circuit due to the inductive reactance which oppose the change of current in the ac circuit.

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Description : Explain the procedure to perform Short Circuit test on single phase transformer with circuit diagram.

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Last Answer : It is denoted as τ, tau and has the value of 1/RC. We

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Description : role of tuned LC circuit in tuned amplifier.

Last Answer : In order to pick up and amplify the desired radio frequency signal, the resistive load in the audio amplifier is replaced by a tuned circuit (also called a parallel resonant circuit)as shown ... desired radio frequency signal. (ii)Amplification of the selected signal to a suitable voltage level.

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Description : State Ohm’s law for electric circuit.

Last Answer : Ohms law -States that the current flows in a circuit is directly proportional to the applied voltage (V) and inversely the proportional resistance provided with the temperature main constant

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Description : Define active circuit and passive circuit.

Last Answer : Active circuit: Active Circuit is one which contains at least one source of e.m.f. or energy, is called active circuit.  Passive Circuit: Passive Circuit is one which does not contain any source of e.m.f. or energy in it, is called passive circuit.

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Description : Basic Circuit Elements

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Last Answer : Req= (1/1200 +1/560 + 1/2.1)^-1        = 2.1 ohms RT= 2.1 + 7.8      = 9.9 ohms IT = V/R = 24/9.9                = 2.4 A Veq= R I =  2.1 2 ... 7.8         = 12.096 w                 = 44.928 w _________________________________________ By: Ellis-Junior Kamatjipose [email protected]

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Description : Compare combinational logic circuit and sequential logic circuit

Last Answer : Combinational logic Sequential logic The combinational logic circuit consists of logic gate only Sequential logic circuit consists of combinational logic circuit along with memory for storage of ... , multiplexer, demultiplexer etc E.g. counters, shift registers flip-flop etc

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Description : What is unilateral and bilateral circuit?

Last Answer : Unilateral Circuit: If the characteristic (response or behavior) of circuit depends on the direction of flow of current through its elements, then the network is called as a unilateral network.  ... the direction of current through its elements, then the network is called as a bilateral network.

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Description : Describe the difference between an open circuit and a short circuit.

Last Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit

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Description : List three important characteristics of an electric circuit.

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Description : Explain why potential difference is necessary to produce current in a circuit.

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Description : Series circuit rules

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Description : Parallel rc circuit

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Description : Parallel circuit rules

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Description : Source free RL circuit 8

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Description : Source free RL circuit 7

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Description : Source free RL circuit 6

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Description : Source free RC circuit 2

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Description : Source free RC circuit 3

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Description : Source free RC circuit 4

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Description : Source free RC circuit 5

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Description : Source free RC circuit 6

Last Answer : Source free RC circuit 6

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Description : Source free RC circuit 7

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Description : Source free RC circuit 8

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Description : Source free RL circuit 1

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Description : Source free RL circuit 2

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Description : Source free RL circuit 3

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Last Answer : Source free RL circuit 4

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Last Answer : Source free RL circuit 5

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Description : State maximum power transfer theorem for DC circuit.

Last Answer : Maximum power transfer theorem for DC circuit: The maximum power transfer theorem states that the source or a network transfers maximum power to load only when the load resistance is equal ... removed (disconnected) ii) All internal independent sources are replaced by their internal resistances.

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Description : Mention the precautions to be taken while connecting CT and PT in the circuit.

Last Answer : Precautions to be taken while using instrument transformers: 1. Secondary of CT is never kept open circuited when it is energized. 2. Secondary of PT is never kept short circuited when it ... of the instrument transformers unless they are properly grounded. 8. Never connect to DC circuits.

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Description : List any two methods of reactive power measurement in 3 phase circuit.

Last Answer : Methods of reactive power measurement in 3 phase circuit: (i) Two single phase wattmeter method (ii) One single phase wattmeter method

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Description : Define balanced and unbalanced load in three phase circuit.

Last Answer : Balanced Load: When all the imedances of 3 phases are equal in magnitude and of same nature then load is said to be balanced.  Unbalanced Load: When all the imedances of 3 phases are not equal in magnitude and of different nature then load is said to be unbalanced.

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Description : Draw the circuit diagram of crystal oscillator and explain its working.

Last Answer : To excite a crystal for operation in the series-resonant mode it may be connected as a series element in a feedback path, the crystal impedance is the smallest and the amount of positive feedback is the largest. ... which is good.  The resonant frequency is given as  Fo = 1/( 2 π √LC )

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Description : Draw and explain Hartley Oscillator circuit diagram.

Last Answer : Function of each component: 1. An NPN transistor connected in a common emitter configuration works as the active device in amplifier stage and CE configuration provides 180°phase shift. 2. R1 and R2 ... circuit to the base-emitter circuit.  The frequency of oscillation is given as-

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Description : Define- (i) Node (ii) Loop for a DC circuit

Last Answer : Ans: i) Node: A point or junction at which two or more elements of network are connected is called as node. ii) Loop: A closed path for flow of current in an electrical circuit is called loop.

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Description : Compare electric and magnetic circuit.

Last Answer : Comparison between Magnetic and Electric Circuits

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Description : Define magnetic circuit. Draw simple series magnetic circuit.

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Description : Draw a typical electric circuit including ammeter and voltmeter.

Last Answer : The figure shows typical electric circuit including ammeter and voltmeter. Ammeter is connected in series for measurement of current. Voltmeter is connected in parallel for measurement of voltage. Fuse is use ... are used. If the electric supply is DC the DC ammeter and DC voltmeter are used.

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Description : In a series R-C circuit, with the increase in frequency, current (A) Reduces (B) Increases (C) Does not change (D) Becomes zero

Last Answer : In a series R-C circuit, with the increase in frequency, current Increases

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Description : For a DC circuit capacitor is

Last Answer : For a DC circuit capacitor is virtually an open circuit