Electrical Engineering - Transformers - Discussion
Discussion Forum : Transformers - General Questions (Q.No. 3)
3.
When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is
Discussion:
69 comments Page 3 of 7.
Sadasiva said:
1 decade ago
N2/N1=V2/V1
Here N1=1,N2=20
V1=12;
So V2 = N2*V1
V2 = 20*12
V2 = 240v
Here N1=1,N2=20
V1=12;
So V2 = N2*V1
V2 = 20*12
V2 = 240v
UDAY said:
1 decade ago
V2/V1=N2/N1=I1/I2=K (TURNS RATIO).
SO V2/V1=K.
V2/12=20.
V2=20*12=240V.
SO V2/V1=K.
V2/12=20.
V2=20*12=240V.
Varun said:
1 decade ago
V2/V1=N2/N1.
V2/12=20.
V2=20*12=240.
V2/12=20.
V2=20*12=240.
Jitendranath panda said:
1 decade ago
We know,
V1/V2=T1/T2=A2/A1.
Hear T1/T2=20, T1=12,
So V2=12*20=240V.
V1/V2=T1/T2=A2/A1.
Hear T1/T2=20, T1=12,
So V2=12*20=240V.
Krishna said:
1 decade ago
Given, k=20 (k=turns ratio).
And primary AC voltage is 12v,
We have to find secondary voltage = ?,
As we know that, turns ratio = k = N2/N1,
K=N2/N1=20.
(SECONDARY VOLTAGE/PRIMARY VOLTAGE) = v2/v1 = v2/12,
THEREFORE,
N2/N1= V2/V1,
20 = V2/12
V2 = 20*12 = 240.
And primary AC voltage is 12v,
We have to find secondary voltage = ?,
As we know that, turns ratio = k = N2/N1,
K=N2/N1=20.
(SECONDARY VOLTAGE/PRIMARY VOLTAGE) = v2/v1 = v2/12,
THEREFORE,
N2/N1= V2/V1,
20 = V2/12
V2 = 20*12 = 240.
RAKI&VIJI said:
1 decade ago
Ratio=N2/N1=V2/V1
V2=V1*RATIO
=12*20
=240V
V2=V1*RATIO
=12*20
=240V
Uma.M said:
1 decade ago
We know that k = v2/v1.
Here v1 = primary voltage = 12.
Turns ratio k = 20.
So 20 = v2/12 i.e., v2 = 240v.
Here v1 = primary voltage = 12.
Turns ratio k = 20.
So 20 = v2/12 i.e., v2 = 240v.
MANASH said:
1 decade ago
We know,
N2/N1=E2/E1=K
According to question
N2/N1=E2/12=20
=>20=E2/12
=>E2=12*20
=240V
N2/N1=E2/E1=K
According to question
N2/N1=E2/12=20
=>20=E2/12
=>E2=12*20
=240V
Alka said:
1 decade ago
k=v2/v1
k=20
v1=12
k=v2/v1
20=v2/12
v2=240v
k=20
v1=12
k=v2/v1
20=v2/12
v2=240v
Parth said:
1 decade ago
k = v2/v1; v1 = primary voltage = 12.
Turns ratio k = 20.
So 20 = v2/12 i.e., v2 = 240v.
Turns ratio k = 20.
So 20 = v2/12 i.e., v2 = 240v.
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