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yashpal kushwaha

· started a discussion

· 1 Months ago

hot wire measure rms
for half cycle , rms is Im/2
u hve taken Im/root2

Question:

In the circuit, forward resistance of the diode D is 2 Ω  and its reverse resistance is infinitely high.

A list consists of meters (List-I) and another list shows the meter readings (List-II). Match the lists.

  

List-I            

(i)   PMMC        

(ii)  Hot wire

List-II 

(a)  7.07 A

(b)  4.5 A

(c)  10 A

(D)  12.5 A

Options:
A)

(i) ® (a), (ii) ® (c)

B)

(i) ® (b), (ii) ® (d)

C)

(i) ® (a), (ii) ® (b)

D)

(i)  ® (b), (ii) ® (a)

Solution:

Ans:(D)

  

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