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zaharov [31]
3 years ago
14

EEG Voltage is: Select one: a. Flow of electrons through a pathway and the unit is the Ampere b. A measure of the opposition to

the flow of alternating current and the unit is the Ohm c. A measure of the resistance of a material to the flow of direct current and the unit is the Ohm d. The potential charge difference between two points and the unit is the Volt
Physics
1 answer:
zaharov [31]3 years ago
5 0

Answer:

The answer is d. The potential charge difference between two points and the unit is the Volt

Explanation:

The voltage is the difference in electric charge between two points that pushes electrons along the circuit from the highest charged (positive) pole to the lowest charged (negative) .

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Find the current passing through a circuit consisting of a battery and one resistor. The resistance has a retance of 2ohms and t
Bingel [31]

The current passing through a circuit consisting of a battery of 12 V and resistor of 2 ohms is 6 Ampere .

Explanation:

  • Assume the wires are ideal with zero resistance.  
  • The current passing through the circuit will be  

           I = V/R = 12/2 = 6.000 A.

5 0
3 years ago
In what part of the Milky Way galaxy are the stars packed closest together?
valentina_108 [34]

Answer: the nucleus

Explanation: The central nucleus is the oldest and most densely packed part of the milky way.

6 0
3 years ago
A horizontal force of 40N is needed to pull a 60kg box across the horizontal floor at which coefficient of friction between floo
Mazyrski [523]

Answer:

Coefficient of friction is 0.068.

Work done is 320~J.

Explanation:

Given:

Mass of the box (m): 60 kg

Force needed (F): 40 N

The formula to calculate the coefficient of friction between the floor and the box is given by

F=\mu mg...................(1)

Here, \mu is the coefficient of friction and g is the acceleration due to gravity.

Substitute 40 N for F, 60 kg for m and 9.80 m/s² for g into equation (1) and solve to calculate the value of the coefficient of friction.

40 N=\mu\times60 kg\times9.80 m/s^{2} \\~~~~~\mu=\frac{40 N}{60 kg\times9.80 m/s^{2}}\\~~~~~~~=0.068

The formula to calculate the work done in overcoming the friction is given by

W=Fd..........................(2)

Here, W is the work done and d is the distance travelled.

Substitute  40 N for F and 8 m for d into equation (2) to calculate the work done.

W=40~N\times8~m\\~~~~= 320~J

8 0
3 years ago
Three hunters x,y and z aim at a bird on top of a tree.Their individual probabilities of killing the bird are 3/5,2/3 and 5/6 re
TiliK225 [7]

Answer:

1   3/5*2/3=6/15

2   (3/5*2/3)+(2/3*5/6)+(3/5*5/6)=Ans

3  same as 2 i think

4  3/5+2/3+5/6=ans

5 (1-3/5)*(1-2/3)*(1-5/6)

Explanation

1 means x and y... for such a  we multiply the probabilities

2 means x and y or x and z or y and z9 multiply ands  add ors

3 i think it is same as 2

4 for this you have to negate the probabilities of killing to find that of not killing.   Since it will be x and y and z, you multiply the final probabilities

:)

3 0
3 years ago
How does the mass of the melted sundae compare to when it was first made? this for science
tatiyna
<h3><u>Answer:</u></h3>

When it was first made, it was heavier

<h3><u>Explanation:</u></h3>

So there was originally air in the Ice Cream because they fluff it up like that. When it melts, those are gone.

3 0
3 years ago
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