A toarch bulb is rated at 3V and 6mA .calculate its (i) power (ii) resistance (iii) energy 4 hrs
Answers
Answered by
2
Answer:
Hey Dude...
Mark as brainliest
Follow me
Attachments:
Answered by
1
Answer:
- power = I*V
=>> 6X10^-3 * 3 =>>18 x 10^-3 watt
2. resistance R = V/I
=>> 3 / 0.006 ohm
=>> 500 ohm
3. Energy = power x time
= 0.018 * 14400 {TIME IN SECONDS 4HRS=14400 SEC}
=259.2 joules
I HOPE IT HELPS
Step-by-step explanation:
Similar questions