Questions №1 Constant current linear electric circuits

Worked out by: Sharofov S.
Head of “EEE” Department: Usmonov Sh.
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QUESTIONS №15
1. Synchronous machines
(functions, structure, working principle, invisible pole, obvious pole, synchronous compensators, synchronous motors, generators, speed, magnetic poles)
2. An Electric iron is rated 1000W, 240V. Find the current drawn & resistance of the heating element
3.Lamp A has a resistance of 15 ohms, lamp B has a resistance of 12 ohms, lamp C has a resistance of 35 ohms, find the total resistance of the circuit and answer the questions below

1. 
   Is this a series or parallel circuit?
   
2. 
   If a light bulb A was removed would light bulb B still work? Light bulb C?
   
3. 
   Would the removal of any light bulb affect the other two?
   

Worked out by: Sharofov S.
Head of “EEE” Department: Usmonov Sh.
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QUESTIONS №16

1. 
   Single-phase alternating current electric circuits
   

(output, transmission, sinusoidal, 50 , frequency, analytical expression, graphical expression, vector expression, diagram, instantaneous value, period, phase, angular displacement, complex number, abstract value, real value, math operation, irreversible process, advance, lag behind, active, reactive, instantaneous power, field energy)

2. 
   Three resistors, whose values are 35 , 45 , and 85 , are connected in parallel across a 35 V battery. Find the current across all the resistors. Draw the circuit diagram
   
3. 
   L amp A has a resistance of 15 ohms, lamp B has a resistance of 12 ohms, lamp C has a resistance of 35 ohms, and the total voltage of the circuit is 120 V. Find the total resistance of the circuit and the voltage across each resistor, and answer the questions
   

below

1. 
   How many pathways are there for electricity to flow through?
   
2. 
   Is this a series or parallel circuit?
   
3. 
   If light bulb A was removed would light bulb B still work? Light bulb C?