Question: 1. three wires enter a junction. the upper wire and the middle wire carry 5 A and 8 A of current, respectively. what is the

1. three wires enter a junction. the upper wire and the middle wire carry 5 A and 8 A of current, respectively. what is the current carried by the third wire entering the junction?

2. for a particular LEB bulb is connected to a 1.5 V battery (potential) through a 330 ohm resistor. what is the current?

3. what is the resistance of a 1 m long, 1 mm x 1 mm square nichrome heating element? consider, the conductivity of nichrome is 1.8 x 10^7 / ohm meter

4. what is the electrical physics meaning of and word role of tau

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