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A 1100 W hair dryer (R1) and a 1600 W space heater (R2) in p…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
A 1100 W hair dryer (R1) and a 1600 W space heater (R2) in parallel are plugged into a 120 V outlet.  What is the resistance of hair dryer?
Continue reading “A 1100 W hair dryer (R1) and a 1600 W space heater (R2) in p…”…

A parallel plate capacitor that is initially uncharged has a…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
A parallel plate capacitor that is initially uncharged has an area of 0.20 m2. The two plates are separated by 0.5 cm and connected to a 12 V battery.  What is the maximum charge stored on the capacitor if the dielectric between the two plates is air (kair = 1)?
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What would be the angle in water (n=1.33) if light enters fr…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
What would be the angle in water (n=1.33) if light enters from air at 20°?
Continue reading “What would be the angle in water (n=1.33) if light enters fr…”…

According to Gauss’s Law, what is the relationship between t…

Posted on: July 25, 2025 Last updated on: December 4, 2025 Written by: Anonymous
According to Gauss’s Law, what is the relationship between the electric field strength (E) and distance (r) to a point from an infinitely long plane sheet of a charged non-conductor? 
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What happens to the flux caused by a single point charge enc…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
What happens to the flux caused by a single point charge enclosed by a surface if that charge is then moved outside of the surface?
Continue reading “What happens to the flux caused by a single point charge enc…”…

In the circuit shown below, use the given information and Ki…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
In the circuit shown below, use the given information and Kirchoff’s Rules to find the unknown voltage, V, of the battery on the left.
Continue reading “In the circuit shown below, use the given information and Ki…”…

A positive charge is moving north through a magnetic field p…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
A positive charge is moving north through a magnetic field pointed vertically upwards.  What direction will the positive charge feel a force?
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In the circuit shown below, find the current through the 4 Ω…

Posted on: July 25, 2025 Last updated on: December 4, 2025 Written by: Anonymous
In the circuit shown below, find the current through the 4 Ω resistor using Kirchoff’s Rules and the given information.
Continue reading “In the circuit shown below, find the current through the 4 Ω…”…

Determine the total capacitance of the four capacitors (C1 =…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
Determine the total capacitance of the four capacitors (C1 = C2 = 0.40 µF, C3 = 0.20 µF, and C4 = 0.60 µF) arranged in the circuit shown below:
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16.Law,PL 94-142 and PL 101,476 address the guarantee a free…

Posted on: July 25, 2025 Last updated on: July 25, 2025 Written by: Anonymous
16.Law,PL 94-142 and PL 101,476 address the guarantee a free appropriate public education for all children with disabilities ages 3-21.
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