Linear Transformer “Dot” Rule:
Complete the two mesh equations for each circuit:
-12 – 4j I1 + 5j I1 _________ = 0
6j I2 + 12 I2 _____________ = 0
-12 – 4j I1 + 5j I1 _________ = 0
6j I2 + 12 I2 _____________ = 0
-12 – 4j I1 + 5j I1 _________ = 0
6j I2 + 12 I2 _____________ = 0
-12 – 4j I1 + 5j I1 _________ = 0
6j I2 + 12 I2 _____________ = 0
-12 – 4j I1 + 5j I1 _________ = 0
6j I2 + 12 I2 _____________ = 0
12 – 4j I1 + 5j I1 _________ = 0
6j I2 + 12 I2 _____________ = 0
Ideal Transformer “Dot” Rule:
V2 N 2
 n
V1 N1
I 2 N1 1
 
I1 N 2 n
V2
N
  2  n
V1
N1
V2
N
  2  n
V1
N1
V2 N 2

n
V1 N1
I2
N
1
 1 
I1
N2
n
I 2 N1 1
 
I1 N 2 n
I2
N
1
 1 
I1
N2
n