Primary coil turns (Np) 100 2 2W Secondary coil turns (Ns) Actual Voltage Gain 10 2 2W Ideal Voltage Gain And the observed experimental values are tabulated below: Input Power in watts Output Power in watts Measured Experimental Efficiency of the transformer in Values percentage

Primary coil turns (Np) 100 2 2W Secondary coil turns (Ns) Actual Voltage Gain 10 2 2W Ideal Voltage Gain And the observed experimental values are tabulated below: Input Power in watts Output Power in watts Measured Experimental Efficiency of the transformer in Values percentage

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Input
Input
Output
Output
In the transformer experiment
performed in the lab, following coils
were used to form a step
down transformer:
voltage Current
Voltage
current
Vp [V]
Ip [A]
Vs [V]
Is [A]
5.76
0.182
2.146
0.162
Calculate the following:
400
Calculated Values
200
Load Resistance used in ohms
Primary coil turns (Np)
100 2
2W
Secondary coil turns (Ns)
Actual Voltage Gain
10 2
2W
Ideal Voltage Gain
And the observed experimental values are
tabulated below:
Input Power in watts
Output Power in watts
Measured Experimental
Efficiency of the transformer in
Values
percentage

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From the diagram, the primary voltage is Vp = 2.10 V and the secondary voltage is Vs = 41.2 V Based on the given voltmeter readings, the number of turns and current through the primary and secondary coil can be found. The relationship is given below N subscript s over N subscript p equals V subscript s over V subscript p equals I subscript p over I subscript . How do they know which voltmeter measures primary voltage and which one measures secondary voltage?
Measured Experimental Values Input voltage Input Current Output Voltage Output current Vs [V] V, [V] Ip [A] Is [A] 5.7 0.892 16.1 0.174 Calculate the following: Calculated Values Load Resistance used in ohms Primary coil turns (Np) Secondary coil turns (Ns) Actual Voltage Gain Ideal Voltage Gain Input Power in watts Output Power in watts Efficiency of the transformer in percentage
) A transformer has a primary voltage of Vp= 400 V and primary current of I,= 1.5 A. If the measured values of secondary voltage and secondary current are V= 195 V and I= 2.9 A, respectively a) calculate the efficiency of this transformer. b) write the type of the transformer (step-up or step-down) with its reason.
In the transformer experiment performed in the lab, following coils were used to form a step down transformer: 200 800 100 2 100 2W And the observed experimental values are tabulated below: Measured Experimental Values Input voltage Input Current Output Voltage Output current Vs (V] Vp (V] Ip[A] Is [A] 5.5 0.046 0.975 0.077 Calculate the following:
A transformer has a primary voltage of V,= 400 V and primary current of 1,= 1.5 A. If the measured values of secondary voltage and secondary current are V,= 195 V and I,= 2.9 A, respectively a) calculate the efficiency of this transformer. b) write the type of the transformer (step-up or step-down) with its reason.
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