Explain the difference between load resistance in a circuit and internal resistance in a battery.(Solved)
Explain the difference between load resistance in a circuit and internal resistance in a battery.
Date posted: May 11, 2021. Answers (1)
Four resistors are connected as shown in figure below.
(a) Find the equivalent resistance between points a and c.
(b) What is the current in each resistor...(Solved)
Four resistors are connected as shown in figure below.
(a) Find the equivalent resistance between points a and c.
(b) What is the current in each resistor if a potential difference of 42 V is maintained between a and c ?
Date posted: May 11, 2021. Answers (1)
Consider five resistors connected as shown in figure below. Find the equivalent resistance between points a and b.(Solved)
Consider five resistors connected as shown in figure below. Find the equivalent resistance between points a and b.
Date posted: May 11, 2021. Answers (1)
A steel wire of cross-sectional area of 25cm2 and resistivity of 1.0 x 10-7Om. Evaluate the
resistance of 1m of the wire.(Solved)
A steel wire of cross-sectional area of 25cm2 and resistivity of 1.0 x 10-7Ωm. Evaluate the
resistance of 1m of the wire.
Date posted: May 11, 2021. Answers (1)
What is the relationship between resistance and resistivity?(Solved)
What is the relationship between resistance and resistivity?
Date posted: May 11, 2021. Answers (1)
Define current density and show how it is related to drift velocity.(Solved)
Define current density and show how it is related to drift velocity.
Date posted: May 11, 2021. Answers (1)
A copper wire in a typical residential building has a cross-sectional area of 3.31 x 10-6 m2 has
8.94 x 1028 electrons/m3. If it carries a...(Solved)
A copper wire in a typical residential building has a cross-sectional area of 3.31 x 10-6 m2 has
8.94 x 1028 electrons/m3. If it carries a current of 10.0 A, what is the drift speed of the electrons?
Date posted: May 11, 2021. Answers (1)
Explain what drift velocity is.(Solved)
Explain what drift velocity is.
Date posted: May 11, 2021. Answers (1)
In a typical lightning bolt, a current of 2.5 x 104 A exists for 20 µs. How much charge is transferred in this event?(Solved)
In a typical lightning bolt, a current of 2.5 x 104 A exists for 20 μs. How much charge is transferred in this event?
Date posted: May 11, 2021. Answers (1)
The current in a wire is 0.80 A. How long does it take 1.60 C to pass through a point in the wire?(Solved)
The current in a wire is 0.80 A. How long does it take 1.60 C to pass through a point in the wire?
Date posted: May 11, 2021. Answers (1)