Description : What is the value of a resistor color coded red-violet-silver-gold?
Last Answer : red = 2violet = 7silver = 0.01gold = 5%The value is 27 * 0.01 ohms 5% or 0.27 ohms 5%
Description : The four stripes of a resistor are yellow-violet-orange-gold. The value of resistor should be A. 470 ohms ± 5 % B. 47 kilo ohm ± 5% C. 47 mega ohms ± 5% D. 4700 ohms ± 10%.
Last Answer : The four stripes of a resistor are yellow-violet-orange-gold. The value of resistor should be 47 kilo ohm ± 5%
Description : A resistor value of colour code orange violet orange will be a) 37 kohm b) 37 Mohm c) 48 kohm d) 48 Mohm
Last Answer : a) 37 kohm
Description : A resistor is handed to you for identification with the following color code: the first band is blue, followed by gray, green, gold, and brown. What is the resistor’s value?
Last Answer : 6,800,000 ohms (6.8 mega ohms), with 5% tolerance, and a 1% reliability level.
Description : A carbon resistor has the following color bands: The first band is yellow, followed by violet, yellow, and silver. What is the ohmic value of the resistor?
Last Answer : 470,000 ohms (470 kilo ohms).
Description : The colour bands on a carbon composition resistor occur in the sequence: yellow, violet, yellow and silver. Its resistance is (a) 470 KΩ ± 47 KΩ (b) 470 KΩ ± 23.5 % (c) 47 KΩ ± 10 % (d) 47 KΩ ± 5 %
Last Answer : The colour bands on a carbon composition resistor occur in the sequence: yellow, violet, yellow and silver. Its resistance is 47 KΩ ± 10 %
Description : The resistance of a carbon resistor of colour code Red-Red Green Silver is (in `k Omega`)
Last Answer : The resistance of a carbon resistor of colour code Red-Red Green Silver is (in `k Omega`) A. `22 00 pm 5%` ... pm 10%` C. `220 pm 10%` D. `220 pm 5%`
Description : A thin film having thickness t
Last Answer : (c) Black
Last Answer : C. Black
Description : The gold color code in a resistor indicates a tolerance of
Last Answer : The gold color code in a resistor indicates a tolerance of 5%
Description : 23 Which one of the following sets of colour combinations is added in colour vision in TV? A. Red, green and blue B. Orange, black and violet C. White, red and Yellow D. Green, Yellow and Blue
Last Answer : ANSWER: A
Description : A voltage of 30 V is applied across a colour coded carbon resistor with first, second and third rings of blue, black and yellow colurs. What is the cu
Last Answer : A voltage of 30 V is applied across a colour coded carbon resistor with first, second and ... What is the current flowing through the resistor ?
Description : In the resistance colour code, the fourth band signifies – (1) tolerance level (2) power of ten (3) the total value of resistance (4) the material of the resistor
Last Answer : (1) tolerance level Explanation: The first and second band represent the numerical value of the resistor, and the color of the third band specify the power-often multiplier. Reading the resistor from left to right, the fourth band represents the tolerance.
Description : In the resistance colour code, the fourth band signifies (1) tolerance level (2) power of ten (3) the total value of resistance (4) the material of the resistor
Last Answer : tolerance level
Description : The resistance value of a carbon resistor having Orange, Red, Brown and Golden color bands is
Last Answer : The resistance value of a carbon resistor having Orange, Red, Brown and Golden color bands is 320 Ω ± 5%
Description : Which of these is a thick -film resistor: - a) wire would resistor b) carbon composition resistor c) metal film resistor d) cermet film resistor
Last Answer : Which of these is a thick -film resistor: - cermet film resistor
Description : What variety of african violet has a green bulb emerging from the stamen ?
Last Answer : Need Answer
Description : Violet, indigo, blue and green, yellow, orange and red; these are the colors you have seen after the storm has fled. What am I? -Riddles
Last Answer : I am a Rainbow.
Description : What colors should be mixed to obtain orange green or violet?
Last Answer : What is the answer ?
Description : Lights of different colours are arranged below in order of increasing wavelengths: 1. Violet, indigo, blue 2. Green, orange, red 3. Red, green, indigo 4. Blue, green, yellow Which of the above are in proper sequence? (a) 1 only (b) 1 and 2 (c) 2 and 3 (d) 1 and 4
Last Answer : Ans:(d)
Description : Maximum photosynthetic activity occurs in - (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light
Last Answer : (1) blue and red region of light Explanation: Wavelength of light between 400 nm and 700 nm is most effective for photosynthesis. This light is called photo synthetically active radiation (PAR). ... in red and minimum in blue region. In both these regions light is absorbed by chlorophylls.
Description : A man with colour blindness will see red as - (1) Yellow (2) Blue (3) Green (4) Violet
Last Answer : (3) Green Explanation: Colour-blindness is the inability to distinguish the differences between certain colours. This condition results from an absence of colour-sensitive pigment in the cone cells of the ... type is red-green colour-blindness, where red and green are seen as the same color.
Description : The colour of Emerald is - (1) Violet (2) Yellow (3) Deep Green (4) Prussian Blue
Last Answer : (3) Deep Green Explanation: The most desirable emerald colors are bluish green to pure green, with vivid color saturation and tone that's not too dark. The most-prized emeralds are highly transparent. Their color is evenly distributed, with no eyevisible colorzoning.
Description : Which of these travels in glass with minimum velocity? (1) red light (2) violet light (3) green light (4) yellow light
Last Answer : (2) violet light Explanation: Red light has a longer wavelength than violet light and the other colours of visible light have intermediate wavelengths. As light passes from air into glass, there is ... and is refracted the least, while violet waves travel the slowest and is refracted the most.
Description : Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red
Last Answer : (4) red Explanation: In refracting media like glass prism, water, etc., lights of different colors travel with different speeds. The speed of violet colour is the least, while the speed of red ... violet colour is deviated the most, while red colour is deviated least on passing through the prism.
Description : Which colour of light shows maximum deviation when passed through a prism? (1) Red (2) Green (3) Violet (4) Yellow
Last Answer : (3) Violet Explanation: When passed through a prism violet colour of light shows maximum deviation. As white light passes through a prism, the voilet component, having the minimum wave length observes the maximum refractive index for the prism and, thus, gets deviated to the maximum extent.
Description : Which colour of light shows maximum deviation when passed through a prism? (1) White (2) Red (3) Violet (4) Green
Last Answer : (3) Violet Explanation: The angle of deviation, by which the light of a particular wavelength gets deviated on passing through a medium, depends upon the refractive index of the medium, as ... wavelength. The smaller the wavelength of the passing light, the greater is the refractive index observed.
Description : When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is - (1) the violet ray (2) the red ray (3) the green ray (4) the blue ray
Last Answer : (2) the red ray Explanation: Red is deviated the least and violet the most.
Description : Sensitivity of the human eye is maximum in the – (1) Violet region (2) Green region (3) Blue region (4) Red region
Last Answer : (2) Green region Explanation: The human eye is sensible to light wave which wavelength is roughly between 400 nm and 700 nm. When illumination is enough (in daylight) the maximum sensitivity is in the green region at 555 nm.
Description : Which one of the following sets of color combinations is added in color vision in TV’? A. Red, green and blue (Answer) B. Orange, back and violet C. White. red and yellow D. Yellow, green and blue
Last Answer : A. Red, green and blue (Answer)
Description : Maximum photosynthesis takes place in— (A) Blue light (B) Red light (C) Violet light (D) Green light
Last Answer : (D) Green light
Description : Which of the following coloured light has the least speed in glass prism? (a) Violet (b) Yellow (c) Red (d) Green
Last Answer : (a) Violet
Description : The image shows the dispersion of the white light in the prism. What will be the colours of the X, Y and Z? (a) X: red; Y: green; Z: violet (b) X: violet; Y: green; Z: red (c) X: green; Y: violet; Z: red (d) X: red; Y: violet; Z: green
Last Answer : (b) X: violet; Y: green; Z: red
Description : Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants? (a) Blue and green (b) Green and red (c) Red and violet (d) Violet and blue
Last Answer : (d) Violet and blue
Description : One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.
Last Answer : (d) blue and red light.
Description : Pick out the wrong statement pertaining to 'green house' for the plants. (A) 'Green house' (made of glass) allows visible sunlight (i.e., short wavelength solar radiation like ultra-violet rays) ... ' thereby warming up the earth's surface (D) 'Green house' is colder than the outside atmosphere
Last Answer : (D) 'Green house' is colder than the outside atmosphere
Description : When phenol is treated with neutral FeCl3 solution, it develops (a) Violet color (b) Yellow color (c) Green color (d) Nothing happens
Last Answer : Violet color
Description : In refraction that occurs in air/glass interfaces, among the visible light, which is bent the most? ∙ A. red ∙ B. violet ∙ C. yellow ∙ D. green
Last Answer : ∙ B. violet
Description : A color with a wavelength longer than that of yellow is: A. Red B. Blue C. Violet D. Green
Last Answer : A. Red
Description : A color with a wavelength longer than that of yellow is: w) red x) blue y) violet z) green
Last Answer : ANSWER: W -- RED
Description : Which color light has the highest frequency? w) green x) violet y) red z) yellow
Last Answer : ANSWER: X -- VIOLET
Description : Which of the following colors of visible light has the longest wavelength? Is it: w) violet x) green y) yellow z) red
Last Answer : ANSWER: Z -- RED
Description : In the Tyndall Effect, the intensity of scattered radiation is inversely proportional to the fourth power of the wavelength. Which one of the following colors of light would exhibit the most intense Tyndall scattering? w) yellow x) green y) orange z) violet
Last Answer : ANSWER: Z -- VIOLET
Description : A man with colour blindness will see red as (1) Yellow (2) Blue (3) Green (4) Violet
Last Answer : Green
Description : Maximum photosynthetic activity occurs in : (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light
Last Answer : blue and red region of light
Description : Which of these travels in glass with minimum velocity ? (1) red light (2) violet light (3) green light (4) yellow light
Last Answer : violet light
Last Answer : red
Description : Sensitivity of the human eye is maximum in the (1) Violet region (2) Green region (3) Blue region (4) Red region
Last Answer : Green region
Description : Which colour of light shows maximum deviation when passed through a prism ? (1) Red (2) Green (3) Violet (4) Yellow
Last Answer : Violet
Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3
Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn