hi. im just finishing my first year in gcse electronics and have been given the question regarding the attachment.
in the following circuit, determine the current in the 4 ohm resistor. i only have basic knowledge in electronic. im only 15 . but i do undertand ohms law. any help would be apreciated. but please put it in basic terms for me . many thanks . sara
ps one last question . i understand that when a resistor and capactor are connected in series then the time constant is r x c in ohms and farads but what is the formula for thetime constant if the resistor and capcitor are in paralell.
View attachment q3.pdf
in the following circuit, determine the current in the 4 ohm resistor. i only have basic knowledge in electronic. im only 15 . but i do undertand ohms law. any help would be apreciated. but please put it in basic terms for me . many thanks . sara
ps one last question . i understand that when a resistor and capactor are connected in series then the time constant is r x c in ohms and farads but what is the formula for thetime constant if the resistor and capcitor are in paralell.
View attachment q3.pdf