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Electric Circuits
An electric clothes dryer is rated at 3,200 W. How much energy does it use in 25 min?
Electric Circuits
12 volt battery consist of 6 cells connected in series. what is the internal resistance of a battery compared to each cell?
A. INTERNAL RESISTANCE BATTERY IS HIGH THAN RESISTANCE IN EACH CELL
B. INTERNAL RESISTANCE SAME EACH RESISTANCE
C. INTERNAL RESISTANCE IS LOWERTHAN RESISTANCE IN EACH CELL
A. INTERNAL RESISTANCE BATTERY IS HIGH THAN RESISTANCE IN EACH CELL
B. INTERNAL RESISTANCE SAME EACH RESISTANCE
C. INTERNAL RESISTANCE IS LOWERTHAN RESISTANCE IN EACH CELL
Electric Circuits
An ampere 4a Two resistors 6 and 18 ohms are connected in parallel. Find the potential difference across the 18ohm resistor
Electric Circuits
Four charges,
q1 = +150 µC, q2 = +47 µC, q3 = −134 µC, and q4 = +22 µC,
are fixed at the corners of a 4 m by 5 m rectangle, as illustrated in the figure below. What are the magnitude (in N) and the direction (in degrees counterclockwise from the +x-axis) of the net force acting on q1? (Assume the x-axis extends from q1 to the right.)
q1 = +150 µC, q2 = +47 µC, q3 = −134 µC, and q4 = +22 µC,
are fixed at the corners of a 4 m by 5 m rectangle, as illustrated in the figure below. What are the magnitude (in N) and the direction (in degrees counterclockwise from the +x-axis) of the net force acting on q1? (Assume the x-axis extends from q1 to the right.)
Electric Circuits
Ohm's low is not applicable on which of following? 1AC circuit 2 conductor 3 semi conductor. 4 on conductor when is change in temerture
Electric Circuits
A capacitor with double the area and double the dielectric thickness will have.
Option A. double the capacitance.
Option B. the same capacitance.
Option C. half the capacitance.
Option A. double the capacitance.
Option B. the same capacitance.
Option C. half the capacitance.
Electric Circuits
What is the emf of the battery that delivers 50 J of energy as it moves with a charge of 5.0 C between its terminals
Electric Circuits
A 1.5V cell supplies 0.20A to a lamp for 7 hours before the lamp goes out. What is a sensible estimate for the initial chemical energy content of the cell? A) 1*10^2J B) 1*10^4J C) 1*10^6J D)1*10^8J
Electric Circuits
Three 1.5 V cells are arranged in series, powering a circuit that has two operations with equivalent resistances of 104 Ω (connecting to the positive terminal) and 411 Ω that meet in a single, metered connection. There is a 22 μC capacitor that bridges between the connection and the negative terminal.What is the potential at the connection point(in Volts) What is the charge on the capacitor?
Electric Circuits
Household circuits are wired with GFCI outlets near sinks and other sources of water. Why is this
necessary for safety? How does a GFCI outlet work?
necessary for safety? How does a GFCI outlet work?
