Looking for reliable answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

4. A lamp is connected to a 230 V mains supply. A current of 4 A flows through the
lamp for 30 seconds.
4.1 Write down the equation that links charge flow, current, and time. (1 mark)


Sagot :

Explanation:Example

A 500 W television set is switched on for 4 hours. Calculate the energy transferred.

500 W = 500/1000 = 0.5 kW

energy transferred = power × time

= 0.5 × 4

= 2 kWh

Answer:

I= Q ÷ T

Explanation:

I: Current measured in amperes

Q: Charge flow measured in coulombs

T: Time measured in seconds

I hope you find this helpful.