Question
Four lamps, with equal resistance values, are connected in parallel to a 120 -volt DC power supply. The voltage across each lamp is (a) 2.5 volts (b) 25 volts (c) 120 volts (d) 400 volts (e) not obtainable.
Step 1
The problem states that the four lamps are connected in parallel. Show more…
Show all steps
Your feedback will help us improve your experience
Abhishek Jana and 52 other educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Four identical lamps are connected in parallel to a 6-volt battery. What is the voltage drop across each lamp? With solution. A. 6 volts B. 7 Volts C. 8 Volts D. 9 Volts
12. (II) Eight identical bulbs are connected in series across a 120-V line. (a) What is the voltage across each bulb? (b) If the current is 0.45 A, what is the resistance of each bulb, and what is the power dissipated in each?
Six identical lamps are connected in parallel to a voltage V. (a) What is the total voltage across each lamp? (b) If the total current in the circuit is I, calculate the resistance of each lamp. (c) Calculate the power dissipated by each lamp. (d) Calculate the voltage, resistance, and power for each lamp if the total current in the circuit is 5 A when the six lamps are connected in parallel across the 120 V line.
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD