Suppose I hook ten resistors (each of resistance R) in parallel. What is the net

Question

Suppose I hook ten resistors (each of resistance R) in parallel. What is the net resistance of the circuit?

True or False? Kirchhoff's loop rule states that the algebraic sum of the changes in electrical potential around a closed loop in a circuit must equal zero.

True or False? The time constant of an RC circuit tells us how much time it takes for the circuit to charge or discharge by 50%.

Suppose I have a uniform magnetic field pointing along the +z direction. I launch an electron in the -z direction with a velocity V. What is the magnitude of the net force on the electron?

True or False? I build a velocity selector and use it to filter protons with a certain speed. Since it works for protons (positive charges), it will NOT work for electrons (negative charges).

Explanation / Answer

1. ans is R/10 3rd option

2.Kirchhoff's loop rule states that the algebraic sum of the changes in electrical potential around a closed loop in a circuit must equal zero. ( TRUE)

3.The time constant of an RC circuit tells us how much time it takes for the circuit to charge or discharge by 50%.(FALSE)

4.OPTION -4( F= 0)

5.Decrease the current in the wire (I)

6.I build a velocity selector and use it to filter protons with a certain speed. Since it works for protons (positive charges), it will NOT work for electrons (negative charges). (FALSE)

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