In column I some AC circuits with meter readings are given and in Column II some circuit quantities are given. Match the entries of column I with the entries of column II.
Column-I | Column-II |
(i)
| [A] VR = 150 |
(ii)
| [B] VL = 50 volt |
(iii) | [C] VC = 250 volt |
(iv) | [D] Power factor of the circuit is |
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
Ans.
(i) [A], [B], [C], [D]
(ii) [A], [C]
(iii) [A], [B], [C], [D]
(iv) [C]
Sol.
For A: 
+ 
= V 2 or V R = 
= 
= 
= 150 volt
+ 
= 
∴ V L = 
= 
= 50 volt
|V L – V C | = V 2 or V C = 250 volt
cos φ = 
= 
= 
For B: V C = V = 250 volt
and 
+ 
= (250)
2 V R = V 1 = 150 volt. so V L = 200 V
Power factor can be computed by determining the net reactance.
For C: V R = V 3 = 150 volt
= 
+ 
or V L = 50 volt
= 
+ 
or V C = 250 volt
cos φ = 
= 
For D: V R = V = 250 volt
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