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Earn'n Lazynice
Earn'n Lazynice

1. Four different types of transformers were tested with varying secondary resistances. Type B had the highest voltage gain while Type D had the lowest. 2. An experiment was conducted to determine the relationship between the input and output characteristics of a transformer circuit. The input current, voltage, power and output voltage, current, power were measured at different secondary resistances. 3. As the secondary resistance decreased, the input current increased along with a decrease in voltage gain and output power. The highest output power occurred at a secondary resistance of 10 ohms.

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1. 2. 3. 4. 5. 6.
7. 8. 9. - 1. 2. E=
r = 0.085 (mA) (Ω) I1 I2 I( ) 1 2 900 5.7 5.7 5.7 37 28 32.5 0.64 1.56 1000 5.20 5.21 5.2 35 26 30.5 0.59 1.69 1100 4.8 4.8 4.8 33 22 27.5 0.52 1.98 1200 4.46 4.46 4.46 36 25 30.5 0.57 1.69 1300 4.16 4.16 4.16 28 19 23.5 0.43 2.32 1400 3.89 3.89 3.89 33 24 28.5 0.54 1.85 K (=K1) K (=K2) K ( )
(BH) 1. 2. 3.
VIN VOUT Type (Primary (Secondary (Volt) (Volt) Coil) Coil) A 400 400 6.95 0.22 B 400 400 6.95 2.63 C 400 400 6.95 2.40 D 400 400 6.95 5.75 (Ω) VIN IIN(m VOUT(Vo IOUT (Vol A) lt) (m t) A) 1000 400 400 6.95 141 5.3 5.6 100 400 400 6.95 171 4.5 53. 1 10 400 400 6.95 358 2.7 26. 3
Volt Po age wer (Ω) (PIN=IINVIN) (POUT=IOUTVOUT) Gain Gai n 1000 979.95 29.68 0.76 0.0 1 3 100 1188.45 238.5 0.65 0.2 1 0 10 2488.1 707.4 0.39 0.2 1 8 1. Output Input
2. ( ) ( ) 3. I V 4. I V

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  • 2. 7. 8. 9. - 1. 2. E=
  • 3. r = 0.085 (mA) (Ω) I1 I2 I( ) 1 2 900 5.7 5.7 5.7 37 28 32.5 0.64 1.56 1000 5.20 5.21 5.2 35 26 30.5 0.59 1.69 1100 4.8 4.8 4.8 33 22 27.5 0.52 1.98 1200 4.46 4.46 4.46 36 25 30.5 0.57 1.69 1300 4.16 4.16 4.16 28 19 23.5 0.43 2.32 1400 3.89 3.89 3.89 33 24 28.5 0.54 1.85 K (=K1) K (=K2) K ( )
  • 5. VIN VOUT Type (Primary (Secondary (Volt) (Volt) Coil) Coil) A 400 400 6.95 0.22 B 400 400 6.95 2.63 C 400 400 6.95 2.40 D 400 400 6.95 5.75 (Ω) VIN IIN(m VOUT(Vo IOUT (Vol A) lt) (m t) A) 1000 400 400 6.95 141 5.3 5.6 100 400 400 6.95 171 4.5 53. 1 10 400 400 6.95 358 2.7 26. 3
  • 6. Volt Po age wer (Ω) (PIN=IINVIN) (POUT=IOUTVOUT) Gain Gai n 1000 979.95 29.68 0.76 0.0 1 3 100 1188.45 238.5 0.65 0.2 1 0 10 2488.1 707.4 0.39 0.2 1 8 1. Output Input
  • 7. 2. ( ) ( ) 3. I V 4. I V