Multiple Choice
Four wires meet at a junction.The first carries 4 A into the junction, the second carries 5 A out of the junction, and the third carries 2 A out of the junction.The fourth carries:
A) 7 A out of the junction
B) 7 A into the junction
C) 3 A out of the junction
D) 3 A into the junction
E) 1 A into the junction
Correct Answer:
Verified
Correct Answer:
Verified
Q65: "The sum of the emf's and potential
Q66: Four 20- <span class="ql-formula" data-value="\Omega"><span class="katex"><span
Q67: Resistor 1 has twice the resistance of
Q68: By using only two resistors, R<sub>1</sub>
Q69: A certain voltmeter has an internal
Q70: The time constant RC has units of:<br>A)second/farad<br>B)second/ohm<br>C)1/second<br>D)second/watt<br>E)none
Q71: Two wires made of the same material
Q73: Two 110-V light bulbs, one labeled 25
Q74: Resistor 1 has twice the resistance of
Q75: If a circuit has L closed loops,