What voltage is supplied to the charging unit

Reference no: EM13565107

A transformer is used to power a cell phone charging unit. If thetransformer has a primary/secondary turns ration of 40:1 and isconnected to a 120 V power source, what voltage is supplied to the charging unit? Show work.

Reference no: EM13565107

Questions Cloud

A particle-starting from point a in the drawing : A particle, starting from point A in the drawing(the height at A is 3.00 m), is projected down the curved runway.Upon leaving the runway at point B, the particle is travelingstraight upward and reaches a height of 4.44 above the floor before falli..

How many turns are thereon the secondary coil : An AC adapter for a telephone-answering unit uses atransformer to reduce the line voltage of 120 V (rms) to a voltageof 8.5 V. how many turns are thereon the secondary (output) coil

Spring clamped to the table shoots ball horizontally : In a physics lab experiment, a spring clamped to the table shoots a22 {\rm g} ball horizontally. When the spring is compressed 22 {\rm cm}, the ball travelshorizontally 5.2 {\rm m} and lands on the floor1.3 {\rm m} below the point at which it left..

A step-down transformer produced a voltage : A step-down transformer produced a voltage of 9.0 V across the secondary coil when the voltage on the primary coil is 120 V. Whatvoltage would appear across the primary coil of this transformer if120 V was applied to the secondary coil?

What voltage is supplied to the charging unit : A transformer is used to power a cell phone charging unit. If thetransformer has a primary/secondary turns ration of 40:1 and isconnected to a 120 V power source, what voltage is supplied to the charging unit?

Value of voltage fed to transmission line at generator end : 100 MW of electrical power is delivered at 200 kV to adistribution center over a transmission line which consumers 10% ofthe total power developed by the generating station in heat losses. What is the value of the voltage fed to the transmissionlin..

Calculate how long it takes to convert all water into steam : An electric kettle of 7.0 ohm resistance containing 500cm3 of water at 10 degrees Celsius is connected to the110 V supply. If 10% of the electrical energy is wasted byimperfect insulation, calculate how long it takes to convert allthe water into s..

Ratio of the power lost in the core to that lost in sheath : A transmission line is made of a core of copper surrounded by a concentric circular sheath of steel to give it strength. The copper core is 1.0 cm in diameter and the tightly fitting sheath has an outer diameter of 2.0 cm.

Resistance of a wire depend upon the wire diameter : How does the resistance of a wire depend upon the wire diameter? How does the resistance of a wire depend upon the wirelength? Why is it useful to have a resistance measuring procedurethat uses only very small currents? What specific error is avoid..

User Account

All Pages