Parallel circuit rules

Parallel circuit rules
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Parallel circuit rules

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All the rules and laws of D.C. circuit also apply to A.C. circuit containing?

Description : All the rules and laws of D.C. circuit also apply to A.C. circuit containing?

Last Answer : All the rules and laws of D.C. circuit also apply to A.C. circuit containing resistance only.

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Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch

Description : Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch currents I1 : I2 : I3 if the branch resistances are in the ratio of 2 : 3 : 4 respectively? A) 2 : 3 : 4 B) 6 : 4 : 3 C) 4 : 3 : 2 D) None of these

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The series and parallel resonance on L-C circuit differs in that?

Description : The series and parallel resonance on L-C circuit differs in that?

Last Answer : The series and parallel resonance on L-C circuit differs in that series resistance needs a low-resistance source for sharp rise in current.

A parallel AC. circuit in resonance will?

Description : A parallel AC. circuit in resonance will?

Last Answer : A parallel AC. circuit in resonance will have a high impedance.

At ______ frequencies the parallel R-L circuit behaves as purely resistive.

Description : At ______ frequencies the parallel R-L circuit behaves as purely resistive.

Last Answer : At very high frequencies the parallel R-L circuit behaves as purely resistive.

The purpose of a parallel circuit resonance is to magnify?

Description : The purpose of a parallel circuit resonance is to magnify?

Last Answer : The purpose of a parallel circuit resonance is to magnify voltage.

The power factor at resonance in R-L- C parallel circuit is?

Description : The power factor at resonance in R-L- C parallel circuit is?

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A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Description : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Last Answer : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

In parallel RLC resonance circuit at resonance the current will be

Description : In parallel RLC resonance circuit at resonance the current will be  (1) Minimum (2) Maximum (3) Zero (4) Infinite

Last Answer : In parallel RLC resonance circuit at resonance the current will be Minimum 

When one leg of parallel circuit is opened out the total current will?

Description : When one leg of parallel circuit is opened out the total current will?

Last Answer : When one leg of parallel circuit is opened out the total current will decrease.

If a parallel circuit is opened in the main line, the current?

Description : If a parallel circuit is opened in the main line, the current?

Last Answer : If a parallel circuit is opened in the main line, the current is zero in all branches.

State any Four lE Rules regarding electric safety.

Description : State any Four lE Rules regarding electric safety. 

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what is equivalent resistance when four 4 Ohm resistors are connected in i) series ii) parallel

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Parallel Reactance and Resistance Example 1

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XL and XC in parallel

Description : XL and XC in parallel

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State the principle of solar cell. What is necessity of series and parallel connection of solar cells.

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State necessity of series connection and parallel connection of batteries.

Description : State necessity of series connection and parallel connection of batteries.

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When three resistors with unequal values are connected in parallel, _______

Description : When three resistors with unequal values are connected in parallel, _______ A) The current across the resistors is the same  B) The voltage drop across the resistors is the same C) The voltage drops across the resistors is proportional to the resistance of each resistor D) None of these

Last Answer : When three resistors with unequal values are connected in parallel, The voltage drop across the resistors is the same

An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel...

Description : An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms?

Last Answer : An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, both resistance and inductance carry equal currents.

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Explain with neat diagram series and parallel magnetic circuits.

Description : Explain with neat diagram series and parallel magnetic circuits. 

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Series parallel resistances problem solution

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An additional condition for parallel operation of three-phase transformers over single-phase transformers is that

Description : An additional condition for parallel operation of three-phase transformers over single-phase transformers is that

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While keeping the excitation constant, if the steam supply of an alternator running in parallel with another

Description : While keeping the excitation constant, if the steam supply of an alternator running in parallel with another identical alternator is increased, then (A) It would over-run the other alternator (B) Its rotor ... (C) Its portion of share in load will increase (D) Its power factor would be decreased.

Last Answer : While keeping the excitation constant, if the steam supply of an alternator running in parallel with another identical alternator is increased, then Its portion of share in load will increase

Explain parallel and wireless protocols.

Description : Explain parallel and wireless protocols.

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With three resistances connected in parallel, if each dissipates 20 W the ...

Description :  With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals?

Last Answer : Power is the only thing which is additive in both connection whether it is parallel or series connection so total power consumed will addition of all individual power =20+20+20 = 60 watt

Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open?

Description : Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open?

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Two non-collinear parallel equal forces acting in opposite direction?

Description : Two non-collinear parallel equal forces acting in opposite direction?

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For the parallel operation of two or more D.C. compound generators, we should ensure that?

Last Answer : For the parallel operation of two or more D.C. compound generators, we should ensure that series fields of all generators should be either on positive side or negative side of the armature.

For the parallel operation of single phase transformers it is necessary that they should have?

Last Answer : Necessary conditions required to be satisfied in order to ensure successful parallel operation of single phase transformers:  1. Only transformers having the same phase displacement between primary and secondary ... . 7. The phase sequence must be followed strictly on HV and LV side connection.

parallel operation of mosfet can be done more easily as compared to thyristor. why?

Description : parallel operation of MOSFET can be done more easily as compared to thyristor. why?

Last Answer : Parallel operation of MOSFET can be done more easily as compared to thyristor because the resistance of MOSFET is increases with increase in temperature. MOSFET have the positive temperature coefficient. In ... the parallel operation of MOSFET can be done more easily as compared to the thyristor.

Explain the series and parallel operation of MOSFET. Which is suitable and why ?

Description : Explain the series and parallel operation of MOSFET. Which is suitable and why?

Last Answer : Series operation of MOSFET: To increase voltage handling capability MOSFETs are connected in series. When the MOSFETs are connected in series each MOSFET should turn on and turn off ... on and turn off time and transconductance. Each MOSFET should share current equally.  

explain the parallel operation of IGBT?

Description : Also, highlight the problem faced during parallel operation.

Last Answer : Parallel operation of IGBT: Parallel operation of IGBT is done for obtaining high current rating. Paralleling of IGBT reduces conduction losses and thermal stress. IGBT combines the qualities of ... . IGBTs must share losses equally otherwise IGBT may get failure due to thermal differences.

what happens when ammeter is connected in parallel?

Last Answer : Ammeter is a current measuring device having low internal resistance so as to direct all the current flowing in the circuit through it. Hence Ammeter is always connected in series with the circuit. If ... If Ammeter is connected in parallel with the supply, then the supply will be a short circuit.

Flash or Parallel ADC

Description : Flash or Parallel ADC

Last Answer : Flash or Parallel ADC

A supply of 24 V DC is applied across a circuit which consist of three resistors connected in parallel R1= 1.2KΩ, R2= 560 Ω, R3= 2.1Ω and a fourth resistor of 7.8 Ω connected in series with the parallel group. Determine the current, voltage and power across each resistor

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]

Consider a circuit with four 10 Ω resistors connected in parallel and the current flowing through the circuit is

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