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2) A portable x-ray unit has a step-up transformer, the 120 V input o which is...
A step-up transformer has 23 turns on the primary coil and 800 turns on the secondary...
A step-up transformer has 23 turns on the primary coil and 800 turns on the secondary coil. If this transformer is to produce an output of 5000V with a 14-mA current, what input current and voltage are needed? Input current = .49 A V = ? kV
A step-up transformer has a primary coil with 145 loops and a secondary coil with 1,595...
A step-up transformer has a primary coil with 145 loops and a secondary coil with 1,595 loops. If the primary coil is supplied with a household current of 120 V and 12 A, (a) what voltage is produced in the secondary circuit? V (b) What current flows in the secondary circuit? A
Help pls answer all . The fact that an electric current generates a magnetic field has...
Help pls answer all .
The fact that an electric current generates a magnetic field has allowed people to 20. cons ruct which of the following devices? (Choose as many as apply.) (A) ammeters (B) voltmeters (C) motors (D) none of these When a magnet is plunged into a coil of wire, the magnitude of the current induced is affected by which of the following? (Choose as many as apply.) (A) the speed with which the magnet is plunged into...
A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio...
A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N2/N1 for a particular transformer used in a DVD player is 1:10. When used with 120-V (rms) household service, the transformer draws an rms current of 38.0 mA from the house outlet. (a) Find the rms output voltage (in V) of the transformer. V (b) Find the power (in W) delivered to the DVD player. W (c) What If? What would be the current...
MS TOUR TEACHER A step-down transformer is used for recharging the batteries of portable electronic devices....
MS TOUR TEACHER A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N/N, for a particular transformer used in a DVD player is 1:15. When used with 120-V (rms) household service, the transformer draws an mms current of 23.5 mA from the house outlet (a) Find the rms output voltage (in V) of the transformer V (b) Find the power in W) delivered to the DVD player w (c) What If? What would...
The “power cube” transformer for a portable CD player has an output of 9.3 V and...
The “power cube” transformer
for a portable CD player has an output of 9.3 V and 800 mA (both
rms) when plugged into a 120 V outlet.
Item 13 13 of 20 Part B Review Constants Periodic Table The "power cube" transformer for a portable CD player has an output of 9.3 V and 800 mA (both rms) when plugged into a 120 V outlet. What is the peak current in the primary coil? Express your answer to two significant...
V: olorado River Run h It (Generator In a generator, an outside source of mechanical motion...
V: olorado River Run h It (Generator In a generator, an outside source of mechanical motion supplies the energy to move a magnet in a magnetic field. A generator works just like the moving magnet in a magnetic field (as in Part II) .Click on Show Field and observe the moving magnetic field Changing Changing Summary Lenz's Law states that the induced EMF opposes the change in the magnetic field. Imagine you were actually turning the water wheel by hand...
32. A neon sign transformer has 450 W AC output with an rms voltage of 15...
32. A neon sign transformer has 450 W AC output with an rms voltage of 15 KV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the primary coil?
Question 32 (6 points) 32. A neon sign transformer has 450 W AC output with an...
Question 32 (6 points) 32. A neon sign transformer has 450 W AC output with an rms voltage of 15 kV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the...
1. A 560-tum coil with diameter 80 mm sits above the lecture table as shown. A...
1. A 560-tum coil with diameter 80 mm sits above the lecture table as shown. A permanent magnet 0.70 T North pole slides underneath the coil in 0.50 s. a) what direction is the final magnetic field? b) draw the direction of the induced electric field in the wire c) calculate the average induced emf in the coil O 2. A transformer is intended to output 2.0 Amp at 6.3 VAC when plugged into 115 VAC. The primary coil has...
Help pls answer all .
The fact that an electric current generates a magnetic field has allowed people to 20. cons ruct which of the following devices? (Choose as many as apply.) (A) ammeters (B) voltmeters (C) motors (D) none of these When a magnet is plunged into a coil of wire, the magnitude of the current induced is affected by which of the following? (Choose as many as apply.) (A) the speed with which the magnet is plunged into...
MS TOUR TEACHER A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N/N, for a particular transformer used in a DVD player is 1:15. When used with 120-V (rms) household service, the transformer draws an mms current of 23.5 mA from the house outlet (a) Find the rms output voltage (in V) of the transformer V (b) Find the power in W) delivered to the DVD player w (c) What If? What would...
The “power cube” transformer
for a portable CD player has an output of 9.3 V and 800 mA (both
rms) when plugged into a 120 V outlet.
Item 13 13 of 20 Part B Review Constants Periodic Table The "power cube" transformer for a portable CD player has an output of 9.3 V and 800 mA (both rms) when plugged into a 120 V outlet. What is the peak current in the primary coil? Express your answer to two significant...
V: olorado River Run h It (Generator In a generator, an outside source of mechanical motion supplies the energy to move a magnet in a magnetic field. A generator works just like the moving magnet in a magnetic field (as in Part II) .Click on Show Field and observe the moving magnetic field Changing Changing Summary Lenz's Law states that the induced EMF opposes the change in the magnetic field. Imagine you were actually turning the water wheel by hand...
32. A neon sign transformer has 450 W AC output with an rms voltage of 15 KV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the primary coil?
Question 32 (6 points) 32. A neon sign transformer has 450 W AC output with an rms voltage of 15 kV when connected to normal household outlet (120 V). There are 500 turns of wire in the primary coil. (a) How many turns of wire does the secondary coil have? (b) When the transformer is running at full power, what are the currents in the secondary coil and in the primary coil? (c) What is the peak current in the...
1. A 560-tum coil with diameter 80 mm sits above the lecture table as shown. A permanent magnet 0.70 T North pole slides underneath the coil in 0.50 s. a) what direction is the final magnetic field? b) draw the direction of the induced electric field in the wire c) calculate the average induced emf in the coil O 2. A transformer is intended to output 2.0 Amp at 6.3 VAC when plugged into 115 VAC. The primary coil has...
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