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Becawe bue light is higher tsny pt l 9. You tak bulb lights up. e a...
1. The filament of a standard 100-W light bulb has a resistance of about 100 ohms....
1. The filament of a standard 100-W light bulb has a resistance of about 100 ohms. For this laboratory the glass of the light bulb is unfrosted, so that the filament can be viewed directly. The light bulb is connected to a variable AC voltage source (a Variac), which can deliver up to 140 volts AC. When the voltage is low, about 20 volts, the filament is a dull, red color. When the voltage is high, 100 V, how does...
2. A string of lights is wired in a series circuit. When one light bulb ns...
2. A string of lights is wired in a series circuit. When one light bulb ns out, A B the other bulbs will dim. none of the other bulbs will be lit. C D e burnt out bulb becomes a fire hazard. all of the other bulbs will be lit. 2. A string of lights is wired in a series circuit. When one light bulb ns out, A B the other bulbs will dim. none of the other bulbs will...
When you put your light bulb in a circuit, it may not light up. Which measurement can you make to show that the lightbulb is still an active element in the circuit, even if its not lighting up. Descr...
When you put your light bulb in a circuit, it may not light up. Which measurement can you make to show that the lightbulb is still an active element in the circuit, even if its not lighting up. Describe what you expect the measurement to read if the lightbulb isn’t working compared with if it is working, but just not hot enough to see as light.
number 9 only please , and if you can explain it . Will thumps up answers...
number 9 only please , and if you can explain it .
Will thumps up answers
0% 8. The filament temperature of an incandescent light bulb is 2000 K when the bulb delivers 40 W of power. What power is delivered if the temperature is increased to 2500 K? (Assume the emissivity remains constant.) A. 50 W B, 62 W C. 98 W D, 105 W E. 133W 9. Some insulating foam sheet measures 4 x 2' x 1.5" and...
ans, 9.1 L = 0.848 m please answer in details i need help Question 9 - M2 (11 marks) An incandescent light bu...
ans,
9.1
L = 0.848 m
please answer in details i need help
Question 9 - M2 (11 marks) An incandescent light bulb is basically a resistor in an electrical circuit. The Tungsten wire filament acts as the resistor. Consider you connect an 60 Watt bulb to a 240V mains household electricity supply. 9.1) (4 marks) If the Tungsten filament is constrained to be of 15um diameter, how long does the Tungsten wire need to be to make the filament?...
question 7 and 8 Purpose To examine the properties of polarized light and the mathematical relationship...
question 7 and 8
Purpose To examine the properties of polarized light and the mathematical relationship describing the intensity of linearly polarized light (Malus'law). In addition, the lab will investigate different ways light can be polarized Overview This lab is the first of three labs exploring the properties of electromagnetic waves. Electromagnetic waves are composed of oscillating electric and magnetic fields. As discussed in the lecture the electric and magnetic field vectors are mutually perpendicular to each other. Light waves...
1. Name at least 3 ways you can control the amount of light that reaches the...
1. Name at least 3 ways you can control the amount of light that reaches the ocular lens. 2. Define resolution. What is the limit of resolution for the light microscope? 3. What effect does the wavelength of light used have on resolution? 4. If you view a bacterial smear under the oil immersion lens, but forget to add oil, will the image still be just about as clear as if you had added the oil. 5. Define parfocal. 6....
100. Flare is: (a) the widest frequency of light that can enter an objective (b) the...
100. Flare is: (a) the widest frequency of light that can enter an objective (b) the bending of light as it passes through different substances (c) wavelength/2NA (d) when the beam of light "spreads" wider than the objective's "hole" (e) wavelengths of light too short to enter the objective 101. Coccobacillus shaped bacteria are considered to be_?_ (a) cocci (b) bacilli (c) diplobacilli (d) diplococci (e)answers a and b only 102. This microscope is used for cheap and quick "'diagnosis"...
Absorption and transmission: When a photon of light hits a molecule of gas or a particle...
Absorption and transmission: When a photon of light hits a molecule of gas or a particle in the atmosphere, there are three possibilities: 1) it can be absorbed (the energy is converted to heat), 2) it can be reflected (it continues on but in a different direction), 3) or it can be transmitted. These processes determine our ability to see distant objects (such as the mountains around Los Angeles and Irvine) and the colors in the sky (such as blue...
Bleeding disorder. A 3-year old girl was brought to A&E by her father. Following a minor...
Bleeding disorder. A 3-year old girl was brought to A&E by her father. Following a minor fall several hours ago, the child was still bleeding from the mouth. Her father said that she did have a tendency to bleed for longer than expected following immunization. However, there was no history of bruising or haematomas. There was no known family history of a bleeding disorder. A full blood count, PT AND aPTT were ordered and the result were follows: Full blood...
1. The filament of a standard 100-W light bulb has a resistance of about 100 ohms. For this laboratory the glass of the light bulb is unfrosted, so that the filament can be viewed directly. The light bulb is connected to a variable AC voltage source (a Variac), which can deliver up to 140 volts AC. When the voltage is low, about 20 volts, the filament is a dull, red color. When the voltage is high, 100 V, how does...
2. A string of lights is wired in a series circuit. When one light bulb ns out, A B the other bulbs will dim. none of the other bulbs will be lit. C D e burnt out bulb becomes a fire hazard. all of the other bulbs will be lit. 2. A string of lights is wired in a series circuit. When one light bulb ns out, A B the other bulbs will dim. none of the other bulbs will...
number 9 only please , and if you can explain it .
Will thumps up answers
0% 8. The filament temperature of an incandescent light bulb is 2000 K when the bulb delivers 40 W of power. What power is delivered if the temperature is increased to 2500 K? (Assume the emissivity remains constant.) A. 50 W B, 62 W C. 98 W D, 105 W E. 133W 9. Some insulating foam sheet measures 4 x 2' x 1.5" and...
ans,
9.1
L = 0.848 m
please answer in details i need help
Question 9 - M2 (11 marks) An incandescent light bulb is basically a resistor in an electrical circuit. The Tungsten wire filament acts as the resistor. Consider you connect an 60 Watt bulb to a 240V mains household electricity supply. 9.1) (4 marks) If the Tungsten filament is constrained to be of 15um diameter, how long does the Tungsten wire need to be to make the filament?...
question 7 and 8
Purpose To examine the properties of polarized light and the mathematical relationship describing the intensity of linearly polarized light (Malus'law). In addition, the lab will investigate different ways light can be polarized Overview This lab is the first of three labs exploring the properties of electromagnetic waves. Electromagnetic waves are composed of oscillating electric and magnetic fields. As discussed in the lecture the electric and magnetic field vectors are mutually perpendicular to each other. Light waves...
Absorption and transmission: When a photon of light hits a molecule of gas or a particle in the atmosphere, there are three possibilities: 1) it can be absorbed (the energy is converted to heat), 2) it can be reflected (it continues on but in a different direction), 3) or it can be transmitted. These processes determine our ability to see distant objects (such as the mountains around Los Angeles and Irvine) and the colors in the sky (such as blue...
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