# Question: pfw blackboard.com/bbswebdaw/pid-1583483-dt-content-rid-9750270 1course/005420 onetic Waves. iptw blackboard.com ·을。Snach. Problem 10 (a) What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 500 turns, its secondary 4 turns, and the input voltage is 120 V? (b) What input current is required to produce a 4.00 A output? (c) What is the power input? F4 F5 F6 F7 F8 F9 F10 11 Psk–Free Chegg Question Answer

Transcribed text From Image: pfw blackboard.com/bbswebdaw/pid-1583483-dt-content-rid-9750270 1course/005420 onetic Waves. iptw blackboard.com ·을。Snach. Problem 10 (a) What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 500 turns, its secondary 4 turns, and the input voltage is 120 V? (b) What input current is required to produce a 4.00 A output? (c) What is the power input? F4 F5 F6 F7 F8 F9 F10 11 Psk
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a) The voltage transformation equation is

where E2, E1 are the output and input voltages respectively. N2, N1 are secondary and primary turns respectively

Hence the output voltage is

b) The power output is

Since the power is conserved

Input current is

c) The power input is

P = 3.84 W