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Paul [167]
2 years ago
6

A dielectric material, such as Teflon , is placed between the plates of a parallel-plate capacitor without altering the structur

e of the capacitor. The charge on the capacitor is held fixed. How is the voltage across the plates of the capacitor affected? 1. The voltage decreases because of the insertion of the Teflon . 2. The voltage becomes infinite because of the insertion of the Teflon . 3. The voltage increases because of the insertion of the Teflon . 4. The voltage becomes zero after the insertion of the Teflon . 5. The voltage is not altered, because the structure remains unchanged.
Physics
1 answer:
Setler [38]2 years ago
4 0

Answer:

1. The voltage decreases because of the insertion of the Teflon.

Explanation:

When we placed the dielectric medium/material between the plates of the capacitor. It increases the capacitance. Increase in capacitance means that the electric field between the plates will decrease and thus there will be a decrease in voltage. As we know that the capacitance has an inverse relation with the electric field between the plates. Mathematically,

q = CV\\C = Q/V

where C is capacitance, V is Voltage and q is a charge.

By putting "Teflon between the plates of capacitor there will be a decrease in voltage."

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Ali mixes 20g of Sodium Chloride in 100g of water at 15 Degree °C. Calculate the mass of the solution
Lera25 [3.4K]

Answer:

The mass of the solution is 120 g.

Explanation:

The mass of the solution is given by:

m_{sol} = m_{1} + m_{2}

Where:

m_{sol}: is the mass of the solution

m_{1}: is the mass of the solvent

m_{2}: is the mass of the solute

In the solution, the solvent is the majority compound (in mass) and the solute is the minority (in mass), so the solvent is the water and the solute is sodium chloride.          

Hence, the mass of the solution is:

m_{sol} = m_{1} + m_{2} = 100 g + 20 g = 120 g  

I hope it helps you!                  

7 0
2 years ago
A major source of water pollution comes from that washes chemicals and other pollutants from improperty managed land.
IrinaK [193]
The answer to this would be B
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2 years ago
A body of mass 500kg moving at a speed of 10m/s reaches the speed of 50m/s in 20s.The force exerted is
Leona [35]

Answer:

answer is 1000 N

formula used-

<em><u>F= m x (v-u/t)</u></em>

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3 years ago
A constant-volume perfect gas thermometer indicates a pressure of 6.69 kPa at the triple point temperature of water (273.16 K).
mina [271]

Answer:

(a) ΔP=0.0245 kPa

(b) P=9.14 kPa

(c)ΔP=0.0245 kPa

Explanation:

(a) As it is perfect gas we can use

(P₁V₁)/T₁=(P₂V₂)/T₂

Since this constant volume so

P₁/T₁=P₂/T₂

T₂ is change in temperature

T₂=1.00+273.16

T₂=274.16 K

P_{2}=(\frac{6.69}{273.16} )*274.16\\P_{2}=6.71449 kPa

ΔP=6.71449-6.69

ΔP=0.0245 kPa

(b) As

P_{2}=(\frac{6.69}{273.16} )*373.16\\P_{2}=9.14 kPa

(c) Same steps as in part (a)

P_{2}=(\frac{9.14}{373.16} )*374.16\\P_{2}=9.164kPa

ΔP=9.164-9.14

ΔP=0.0245kPa

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Answer:

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Explanation:

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