13 Answered Questions for the topic Current

Current Physics Electrons

04/23/18

When a lightbulb is turned on...

When a lightbulb is turned on, 8.85C of charge pass through the filament of the bulb in 17.0s.  a) What is the average current in the lightbulb? ---A b) How many electrons pass through the... more

03/25/18

When voltage increases why does current.

In a dc circuit, where a power supply connected into a circuit containing an amp meter, when you crank up the voltage of the power supply the reading of the amp meter also increases. With the... more
Current

02/16/18

current rate

julie and eric row their boat (at a constant speed) 24 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 6 hours. find the rate... more
Current Math Algebra 2 Speed

12/08/17

Speed of a current

Suppose you paddle a row boat at a steady speed of 4 miles per hour. You go 6 miles downstream and then 6 miles upstream to get to where you started. The trip takes 4 hours. What is the speed of... more
Current Numbers Boat Mph

04/21/17

A boat can travel 24 mph in still water. If it travels 186 miles with the current in the same length of time it travels 102 miles against the current, what is t

A boat can travel 24 mph in still water. If it travels 186 miles with the current in the same length of time it travels 102 miles against the current, what is the speed of the current?
Current

03/02/17

Swimming against current, he went 200 meters in 8 minutes. With current, he took 4 minutes. Find current speed and swimmer speed

Swimming against current, he went 200 meters in 8 minutes. With current, he took 4 minutes. Find current speed and swimmer speed
Current

01/09/17

A current of 5 A exists in a 10 aum resistor for 4 minutes . How many coulombs pass through any cross section of the resistor in this time

A)200 B)12.5 C)1.6×10^-6 D)7.5×10^21 E)1.2×10^3

effect of current on resistance in series

effect of current on resistance in series graphical explaination  
Current Physics Circuits

06/05/16

New Current..?

A resistor is placed in a circuit. The current in the circuit is 2 amperes and the voltage drop across the resistor is 8 volts. The voltage is then increased to 12 volts. What will be the new... more

05/23/16

Power of a light bulb?

What is the power of a light bulb that has a resistance of 144.0 Ω at 120.0 V?

01/14/15

What is the rate of the current?

The steamboat River Queen travels at the rate of 30km/h in still water. If it can travel 45km upstream in the same amount of time that it takes to go 63km downstream, what is the rate of the current?

10/26/14

What happens to the change carrier density

If the current carried by a conductor is doubled what happens to  a)the charge carrier density  b)the current density  c)the electron drift velocity  d)the average time interval between... more

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