Description : Where do the electrical charges reside in a charged conductor? (1) at the core (2) throughout the body (3) depended upon the nature of the body (4) outer surface of the body
Last Answer : (4) outer surface of the body Explanation: In all conductors, charges reside on the surface. The reason for this is that conductors have free electrons, that is, the electrons are loosely ... field just, outside the conductor is perpendicular to the surface and that the field inside is zero.
Last Answer : Between a hollow and solid metal sphere charges reside On the outer surface in both.
Description : A storage device whe3re the access time is depended upon the location of the data is a. Random access b. Serial access c. Sequential access d. Transaction access
Last Answer : Serial access
Last Answer : b. Serial access
Description : In a charged hollow metal conductor, the charge is w) on the inside surface only x) on both the inside and outside surfaces y) on the outside surface only z) only between the inside and outside surfaces
Last Answer : ANSWER: Y -- ON THE OUTSIDE SURFACE ONLY
Description : Wollen clothes keep the body warm because – (1) Wool increases the temperature of the body (2) Wool is a had conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects
Last Answer : (2) Wool is a had conductor Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. Air reduces heat loss because it is an ... have a greater bulk than other textiles, and retain air, which causes the product to retain heat.
Description : Wollen clothes keep the body warm because (1) Wool increases the temperature of the body (2) Wool is a bad conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects
Last Answer : Wool is a bad conductor
Description : Mark the correct option a) The camp bag booked as parcel will be sent by surface route and will be charged with the postage payable on a parcel weighting 10 Kg plus registration fee and incidental charges ... camp bag is due to be collected on any day including Sunday & Holiday. d) All of these
Last Answer : b) The camp bag booked as letter mail will not be charge with any additional postage other than Registration fee
Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal
Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL
Description : Origin of gravitational field is A. charges B. masses C. Earth's core D. matter
Last Answer : masses
Description : Bulk of the convective heat transfer resistance from a hot tube surfaceto the fluid flowing in it, is (A) In the central core of the fluid (B) Uniformly distributed throughout the fluid (C) Mainly confined to a thin film of fluid near the surface (D) None of these
Last Answer : (C) Mainly confined to a thin film of fluid near the surface
Description : Most earthquakes originate at depths of between w) the surface and 100 kilometers x) 100 kilometers and 500 kilometers y) 500 kilometers and 700 kilometers z) 700 kilometers and the outer core
Last Answer : ANSWER: W -- THE SURFACE AND 100 KILOMETERS
Description : Resistance of a conductor depends upon a. nature of conductor b. dimension of conductor c. physical state of the conductor d. all of above
Last Answer : d. all of above
Description : What is the dependence of mechanical force per unit area of charged conductor on the surface charge density and the dielectric constant of the medium
Last Answer : What is the dependence of mechanical force per unit area of charged conductor on the surface charge density and the dielectric constant of the medium
Description : Electrical force exerted by two point charges on each other is inversely proportional to A. sum of their charges B. product of their charges C. distance between them D. square of distance between them
Last Answer : square of distance between them
Description : Who named the two kinds of electrical charges "positive" and "negative"?
Last Answer : ANSWER: BENJAMIN FRANKLIN
Description : A good conductor while carrying current is - (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : (2) negatively charged Explanation: Electrons carry current in a good conductor of electricity and they are negatively charged. This makes a good electrical conductor negatively charged.
Description : A good conductor while carrying current is (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : negatively charged
Description : In a cable the voltage stress is maximum at (a) sheath (6) insulator (e) surface of the conductor (d) core of the conductor
Last Answer : (d) core of the conductor
Description : Owing to skin effect (a) current flows through the half cross-section of the conductor (b) portion of the conductor near the surface carries more current and core of the conductor carries less current (c) ... core of the conductor carries more cur¬rent (d) any of the above (e) none of the above
Last Answer : (b) portion of the conductor near the surface carries more current and core of the conductor carries less current
Last Answer : When a conductor carries more current on the surface as compared to core, it is due to skin effect.
Description : The rate of emission of radiation by a body does not depend upon the (A) Wavelength of radiation (B) Surface temperature of the body (C) Nature of the surface (D) Shape and porosity of the body
Last Answer : (D) Shape and porosity of the body
Description : A wire carrying current is – (1) positively charged (2) negatively charged (3) neutral (4) charged with a type depending upon current strength
Last Answer : (3) neutral
Description : A wire carrying current is (1) positively charged (2) negatively charged (3) neutral (4) charged with a type depending upon current strength
Last Answer : neutral
Description : If a positively charged body is placed inside a spherical hollow conductor, what will be the polarity of charge inside and outside the hollow conductor ? (a) Inside positive, outside negative (b) Inside negative, outside positive (c) Both negative (d) Both positive
Last Answer : The polarity of the charge will positive
Description : Bank charges charged by bank are recorded on _________ side of Pass Book.
Last Answer : Bank charges charged by bank are recorded on _________ side of Pass Book. (a) debit (b) credit (c) any (d) both
Description : Two charged particles have charges and masses in the ratio `2:3` and `1:4` respectively. If they enter a uniform magnetic field and move with the same
Last Answer : Two charged particles have charges and masses in the ratio `2:3` and `1:4` respectively. If they enter a uniform magnetic ... `1:4` C. `3:5` D. `1:6`
Description : The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains ... amino acids contain only positive charge (D) All amino acids contain negatively charged side chains
Last Answer : Answer : A
Description : Mark the correct option relating to cheque collection charges. a) Rs 30/- for a cheque up to Rs 1000/- b) Rs 3/- per thousand beyond Rs 1000/- c) No collection charges will be charged on outstation cheque of Post office saving bank drawn in post office saving bank d) All the above
Last Answer : d) All the above
Description : Pick up the correct statement from the following: (A) The estimated value of the work excluding the amount for contingencies, work charged establishment, tool and plants, is called work value (B ... for incurring an expenditure on the work, is called administrative approval (D) All the above
Last Answer : (D) All the above
Description : The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains ... amino acids contain only positive Charge (D) All amino acids contain negatively charged side chains
Last Answer : (A) All amino acids contain both positive and negative charges
Description : The charges of placing commodities into a saleable condition should be charged to A) Trading account B) P & L a/c C) Balance Sheet D) None of the above
Last Answer : Answer: A
Description : What is something or someone that you would never give up, even if your life depended on it?
Last Answer : I’d sacrifice myself for my nephews.
Description : What is one city you will never go back to if your life depended on it and why?
Last Answer : Philadelphia. I saw multiple homeless people get kicked/drop kicked/punched in the head in a few day trip and I only have so much righteous indignation before I get hit back. The locals are like "Oh, yeah, that's the thing the kids do." WTF?!
Description : $ Sulphur depended archaebacteria are called thermoacidophiles. ! Archeopteryx is considered to be a connecting link between Birds and Reptiles.
Last Answer : $ Sulphur depended archaebacteria are called thermoacidophiles. ! Archeopteryx is considered to be a connecting link ... . If both As and R are wrong.
Description : In the trade network American colonists depended on England for?
Last Answer : England required that American colonists sell their cotton,tobacco, and other crops to them and the colonists were required tobuy tea, sugar, fabric, and other goods from them, even if theDutch offered the same goods for better prices.
Description : The cities of harappa and mohenjo daro depended on the indus river valley for its?
Last Answer : Fertile farmland
Description : Which one of the following was first female Governor of In depended India?
Last Answer : Mrs. Sarojini Naidu
Description : Copper is often used as an electrical conductor because it _______________. A. has high resistance at low temperatures B. has a highly polished surface C. is able to pass current with little opposition D. holds insulation together well
Last Answer : Answer: C
Description : Copper wires are generally used for electrical power transmission instead of iron wire because (1) copper is cheaper than iron (2) copper is lighter than iron (3) copper is a better conductor of electricity than iron (4) copper can take higher power than iron
Last Answer : (3) copper is a better conductor of electricity than iron Explanation: Copper is generally preferred for electrical power transmission instead of iron because of its high electrical conductivity and low resistivity.
Description : Which one of the following is a good electrical conductor? (1) Graphite (2) Diamond (3) Peat (4) Charcoal
Last Answer : (1) Graphite Explanation: Graphite is a good conductor of electricity because its electrons are delocalized or free to move around. Each carbon atom in graphite is directly linked to only three carbon atoms ... and the fourth is relatively free and can move from one car-bon atom to the other.
Description : If electrical conductivity increases with the increase of temperature of a substance, then it is a: (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator
Last Answer : (2) Semiconductor Explanation: A solid substance that has conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects
Description : If electrical conductivity increases with the increase of temperature of a substance, then it is a (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator
Last Answer : (2) Semiconductor Explanation: A solid substance that has conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects.
Description : A device which is used to limit the current in an electrical circuit is called a - (1) Grid (2) Fuse (3) Hub (4) Conductor
Last Answer : (2) Fuse Explanation: A fuse places a limit on the amount of current that can be drawn by an electric circuit by opening (blowing or melting) when the current exceeds a preset limit. This protects the circuit and the surroundings from fire or damage in the case of an overload or short circuit.
Description : An electrical discharge ionizing the air around a conductor is called: w) Flux x) Corona y) Ozone z) Field
Last Answer : ANSWER: X -- CORONA
Description : Copper wires are generally used for electrical power transmission instead of iron wire because : (1) copper is cheaper than iron (2) copper is lighter than iron (3) copper is a better conductor of electricity than iron (4) copper can take higher power than iron
Last Answer : copper is a better conductor of electricity than iron