The thickness of laminations used in a transformer is usually 0.4 mm to 0.5 mm O 14 mm to 15 mm O 25 mm to 40 mm 4 mm to 5 mm
Q: At relatively light loads, transformer efficiency is low because O transformer losses are high O…
A: As per Bartleby guidelines we are allowed to solve only one question,please ask the rest again.
Q: test is used to measure the iron losses of the transformer. A6
A: We need to tell about name of test which is used to measure iron losses.
Q: When the turns ratio of a transformer is 10 and the primary ac voltage is 6 V. the secondary voltage…
A: Given, Transformer turns ratio a=N1N2=10 Primary voltage V1=6 V
Q: The percentage regulation of an ideal transformer is: O Zero O 50 O 100 O 10
A: In the secondary winding of the ideal transformer, there will be no voltage drop as there is no…
Q: The no load current drawn by transformer is usually what per cent of the full load current * 20% to…
A:
Q: What will be the losses of a transformer, if it is working in step up mode compared to losses in…
A: The transformer that has the output voltage more than the primary is the step up transformer. In…
Q: What will be the losses of a transformer if it is working in step up mode compared to its losses in…
A: A step up transformer steps up voltage and steps down current where as a step down transformer steps…
Q: Which of the following is standard current ratio of a current transformer? O 100-5 O 300-5 500-5 All…
A:
Q: The peak voltage rating of the transformer secondary for a voltage doubler that produces an output…
A:
Q: Certain transformer has full-load copper losses of 500 W. What is value of copper loss at half load:…
A: Given data: Pc1=500 W
Q: During the load test of a transformer, as the load increases secondary voltage of the transformer
A: In the question , Fill the blank During the load test of a transformer, as the load increase…
Q: 4) The core loss is not affected by the load. 5) The transformer Can be used to transform direct…
A: In any machine core losses are always constant Only the iron losses or copper losses vary with the…
Q: The no load current drawn by transformer is usually what per cent of the full load current 0.2 % to…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: نقطة واحدة The iron loss of a transformer is 500 W at full load. What is iron loss * :at half load
A: Iron losses is depends on the applied voltage ,not on the load current.
Q: 1. An ideal 200W transformer has an input current of 2 A and an output voltage of 120 V. Determine…
A: As per the guidelines of Bartley we supposed to answer first question only.
Q: 2. The short-circuit secondary current in a transformer is 2 A. What is the primary current if the…
A: Given, A transformer has, Short circuit secondary current I2=2 A. Transformer turns ratio a=25.
Q: In transformer, the power will with increase in current. be doubled remain same increases decreases
A: Transformer: It is a static device, that convert the electrical power from one circuit to another…
Q: In transformer, the power will with decrease in current. increases remain same be doubled decreases
A: In transformer, the power will.... With decrease in current. Fill the blank
Q: In transformer, open circuit test is used to determine
A: Open circuit test is conducted on low voltage side by open circuiting high voltage side terminals in…
Q: 22. The voltage applied to the h.v. side of a transformer during short-circuit test is 2% of its…
A:
Q: device may be used for extending the range of voltmeter . O shunts O series multiplier current…
A:
Q: 5. What is the turns ratio (n) of a transformer that has a primary voltage of 600 V and a secondary…
A: For a transformer, (V1/V2) = (N1/N2) = (I2/I1)
Q: In Step down transformer, the Number of the primary winding (N1) is Larger Number of the secondary…
A: a transformer changes the voltage level when its step up then it increases the voltage level from…
Q: In an ideal transformer having a 1 to 2 turns ratio, the secondary: O a) current is half the primary…
A: In case of ideal transformer, transformer used for transfer the power and stepping up and stepping…
Q: If R1 is the resistance of primary winding of the transformer and a is the transformation ratio ,…
A: Given, R1 is the resistance of primary winding of transformer. a is the transformation ratio.
Q: In potential transformer primary winding is connected across
A: Potential transformer is a measurement equipment to measure voltage in High voltage lines(HV lines).
Q: In transformer, the power will with decrease in current. O be doubled remain same O increases O…
A: In the step-up transformer, the voltage increase then the current is reduced proportionally. For…
Q: If the supply frequency to the transformer is reduced, the iron loss will
A: Given Iron losses of the transformer
Q: Puestion Draw approximate transformer quantities. :- model into all of secondary referred to…
A:
Q: :The transformer Iron losses is .Constant independent of the applied voltageO
A:
Q: The secondary winding of which of the following transformer is always kept close *
A: In current transformer secondary of the transformer is always closed.
Q: In transformer, the hysteresis loss can be minimized by O using magnetic material with high…
A: For better understanding of the answer Let us first know what is Hysteresis loss Suppose if there…
Q: Which of the following is standard current ratio of a current transformer? O 100-5 300-5 500-5 All…
A:
Q: In a transformer 480 V input and 208 V output and 100 turns in the secondary. Determine the turns of…
A:
Q: In transformer, the eddy current loss will with increase in load. increases O decreases O be zero O…
A: From the Transformer losses
Q: If connected to the transformer changes, copper loss varies.
A: Given To determine when the copper loss varies in transformer
Q: Ru 10 V ms RL 3.3k 100 µF alle
A: Given V2rms = 26 V Frequency F = 60 Hz To find Vdc o/p PIV
Q: Subject: Circuits II If the secondary of the transformer is step down, the primary will have
A:
Q: QUESTION 29 The purpose of a transformer is to O transfer power O transfer current O transfer…
A: This question belongs to electrical machine . It is based on the concept of transformer . Have a…
Q: A step-up transformer is 91 percent efficient a
A: Given data, Number of turns in primary Np=81 Number of turns in secondary Ns=628 Voltage at primary…
Q: The open circuit test in a transformer is used to measure...also, keep secondary terminals
A: There are two types of tests performed in the transformer open circuit test short circuit test
Q: A transformer has a 120 V input and a 1:8 turns ratio. Determine the secondary voltage.
A:
Q: 13 (i) The turns ratio of a Step-Down Transformer is 220/110. Identify the ratio of current in the…
A: Relationship between transform voltage, current and turns ratio given by V1/V2=N1/N2=I2/I1 Where…
Q: In transformer, the power will _________________________________ with decrease in voltage. be…
A:
Q: If a transformer has a primary voltage of 240 V and a secondary voltage of 120 V the value of x…
A: Transformer is an electrical device which converts voltage from one level to another without…
Q: The value of transformation ratio (K) for the step up transformer is a) equal to 0 b) less than 1 c)…
A: Answer: greater than 1 Explanation: a) It is not a valid option. If k=0 then the secondary turns…
Q: A transformer with a primary voltage V = 15/15° V has a turns ratio of 1: 5. What is the secondary…
A: In this question , transformer primary voltage is given...We have to find transformer secondary…
Q: _ are provided to compensate for the fact that the voltage provided at the transformer rarely…
A: Transformer are the electrical devices that are used to transfer the electrical power from one…
Q: If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is…
A: Given: Primary winding turns , N1=50 Secondary winding turns , N2=10 R2=250 ohm
Step by step
Solved in 2 steps with 2 images
- Two identical diodes with Is=7 x 10-16 A are connected in series as shown in Figurey. Calculate the voltage across R₁ when I 4mA. 12 --- R₁ = 2K² IxLaminations of core are generally made of stainless steel O case iron silicon steel O carbonZener Diodes: In the following diagram, Iz = 0.5 mA, Vz = 5, rz = 30 ohms. What is Vout? What is the current through D5? Current through D7?
- The shunt conductance accounts for leakage currents flowing across semiconductor dielectric O insulators O conductorCalculate the voltage across R2 when the voltage drop across the diodes is 0.3 Vdc. Y CRI CR2 Vs 1 R3 R4 15V 1200 3002 S R1 R2 8000 4500 15 V 12.7826 V 1.9174 V OVDraw V, for the networks shown below, the diodes are silicon (1) (2) R 1.0 kn +10 V +8 V Vi 0- Vin 0 R Vout 5V -5V -10 V -8 V Diodes are IN914.
- (1) Determine the voltage and current meter indications in each circuit. R6 3.3kOhm LR5 2.7kOhm D7 D3 1N4001GP* Use Si diodes XMMM5 D4 D2 XMM4 XM17 R4 2.7kOhm R2 2.2kOhm D6 D5 XMM3 XMM6 XIMIU VT -20 V R3 5kOhm R1 3kOhm XM1 XMM8 XMM2 _D1 XMM9 TAt 0 degree kelvin the semiconductor behaves as a/an insulator conductorjust name the special diode per schematic symbol. Just give their name