There is an old admonition given to experimenters to “keep one hand in the pocket” when working around high voltages. Why is this warning a good idea?

Q: 2F 5- The parallel current sources of Figure below can be reduce to a single current source as : * 4…

A: here we can use junction law       I = I1 +  I2  +  I3     I1= 7 A  UPWARD    I2= -3A  DOWNWARD…

Q: How do low energy light bulbs work as fluorescent lamps?

A: The provided question can also be inferred as why and how a fluorescent lamp works even in low…

Q: The long straight answers, state the or no current) in th

A: Answer (a) Clockwise (b)Counter clockwise

Q: → -{e + Ni 60 Ni 28

A:

Q: A certain solar cell type has an output capability of 0.4 Amp at 0.6 V. A series / parallel solar…

A: Given: The current output of one cell is 0.4 amp. The voltage output of one cell is 0.6 V. The total…

Q: An electron moving in harmonic motion with a constant voltage of 7.408 × 10³ Find its wavefunction…

A: Wavefunction of harmonic motion is: V(x)= 12mωx2 - infinity to + infinity

Q: The rain-soaked shoes of a person may explode if ground current from nearby lightning vaporizes the…

A: Given: Density of water =1000 kg/m3 Energy required to vaporize water =2256 kJ/kg Time current lasts…

Q: Electrons do something that rhymes with “twin bear”. When do they need to do this?

A: electrons make cooper pair which rhymes with "twin bear". At very low temperatures show boson-like…

Q: Increasing the current going to an LED: [Choose all that are correct]     Can cause the LED to…

A: Given, Current supply to LED is increased. Statements regarding LED

Q: Why are all compact fluorescent lamps more efficient than incandescent lamps?

A: All compact fluorescent lamps more efficient than incandescent lamps because of the following…

Q: Why are LEDs the lamp of choice in hard to get to places such as high ceilings?

A: as compared to other type of lamps, led lamps hace high durability with  long life periods.…

Q: Why is the name dry cell given to the common battery used in flashlights and radios?

A:

Q: What is the meaning of negative resistance? In which type of diode is it found?

A: If the increase in voltage results in decrease in electric current in electric circuits, that…

Q: Why are metals good conductors both of heat and electricity?

A:

Q: On a board game two magnetic pucks collide and stick together. In this collision: Kinetic energy is…

A: As two magnetic pucks collide and stick together the condition is of elastic collision. In elastic…

Q: What do you mean by Magnetic Susceptibility?

A: Magnetic susceptibility gives the measure of a quality with which a material can be magnetized by…

Q: Differentiate between Lenz law and Faraday's law.

A:

Q: In the Specific Charge of Copper experiment, the slope of the graph of It vs. Am is 3 x 106 c/kg. If…

A: Given : q/∆m = 3 × 106 C/kg I = 2 A t = 12 minutes = 12 × 60 = 720 seconds

Q: Why alloys like constantan and manganin are used for making standard resistors?

A: The alloys like constantan and manganin are used for making standard resistors because: (a): It has…

Q: A bundle of electrons interfering with a magnetic field of intensity 1.2T Find the energy difference…

A: Solution:- Given B=1.2 T The energy difference of the electrons spinning them parallel to the field…

Q: Explain the relationship of current, voltage and resistance. Relate them using magnet, battery and…

A:

Q: Time left 0:48:19 In the Specific Charge of Copper experiment, the slope of the graph of It vs. Am…

A:

Q: Discuss the difference between direct current and alternating current?

A: Direct Current - Direct Current does not vary periodically. The current electricity flows in a one…

Q: the maximum voltage

A:

Q: What quantity would be used to measure the amount of work a single electron can do?

A:

Q: Which material will NOT be attracted to a magnet? O Iron O Nickel O Copper O Cobalt

A:

Q: In the Power Transfer experiment, which of the following is true?

A: The power generated in the power transfer theorem in the load is given by PL=I2RL where RLis the…

Q: Why is platinum used for making resistance thermometer?

A: which is help to give precise reading and morover the platinum is stable unreactive metal can be…

Q: A certain solar cell type has an output capability of 0.5 Amp at 0.3 V. A series / parallel solar…

A: We know the current output of 1 cell is 0.5 ampere and an array is having 174 cells in series and…

Q: What particle has exactly one quantum unit of charge?

A:

Q: An electron is happily moving along in a straight-line when it suddenly finds itself moving in…

A: Answer: Let us consider that the electron is moving in the left direction and current in the right…

Q: A woman with long hair touches a van de Graaff generator. Does this correspond to a high voltage or…

A: A Van de Graaff generator produces very high voltage direct current (DC) at low current level.Charge…

Q: What component is essential to a fuse?

A: A fuse is needed in any electrical system (AC or DC). These protection devices react to the amount…

Q: The discharge of the electric eel can transfer a charge of 2.0x10-3C in a time of 2.0 ms. What…

A: Given, Charge transfer(q)=2×10-3C Time (t)=2ms= 2×10-3s

Q: Why are LEDs the lamps of choice in hard -to-get-to places, such as high ceilings?

A: LEDs stand for Light-emitting diodes. In LEDs, none of the components consists of glass.

Q: Hall probe calibrated to read 1.00 µV when placed in a 1.84 T field is placed in a 0.135 T field.…

A: Given  Voltage ,V1 = 1.00 uV  Magnetic field,B1 = 1.84 T  Magnetic field,B2 = 0.135 T  Output…

Q: A certain solar cell type has an output capability of 0.7 Amp at 0.5 V. A series / parallel solar…

A: A certain solar cell type has an output capability of 0.7 Amp at 0.5 V. A series / parallel solar…

Q: 13. The stray currents that are created as a magnetic material is magnetized and then demagnetized…

A: Whenever the magnetic field lines passing through loop chay then we have induced current in that…

Q: The electrons could be produced by a filament or ionization of a small quantity of gas vacsum glass…

A: Electron ionization (EI), formerly known as electron impact, is  an ionization method in which…