Does plastic insulation on live/hot wires prevent shock hazards, thermal hazards, or both?

Q: What happens when the loop encloses no current? What happens when the loop encloses both positive…

A: Let Ampere's circuital law is applied to an ideal solenoid.

Q: For circuits used for transporting electric power, a low power factor implies large power loss in…

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Q: Find the direction of the current in the resistor shown inFigure P20.16 (a) at the instant the…

A: Explanation for Part a:

Q: Would you expect to find dc or ac in the filament of a lightbulb in your home? In the headlight of…

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Q: What happens when current stops flowing through a solenoid?

A: Current stops in a solenoid

Q: A capacitive sending probe 2.7 m high has a capacitance of 157 pF in air and 7,4 nF when partially…

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Q: Why isn’t a short circuit necessarily a shock hazard?

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Q: . Show that the power loss in transmission lines PL, is givenby PL where is the power transmitted…

A: Given data The power transmitted to the user is PT The delivered voltage is V The resistance of…

Q: The square loop in FigureP20.62 is made of wires with atotal series resistance of 10.0 Ω.It is…

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Q: 20 - The second Kirchhoff's rule state that the sum of the potential differences across all elements…

A: Kirchoff's laws are a set of laws in current electricity.  The law of junctions: sum of all current…

Q: How are bulbs and or LED lights in your house connected? Why is this so?

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Q: Small household electrical devices, such as vacuum cleaners, televisions, and floor lamps, each draw…

A: In series combination, the current is the same while the voltage is different across the circuit…

Q: What happen when you reverse the direction of the battery? What happen when you change the current…

A: a) It is known that a battery in a circuit provides the potential difference and due to this current…

Q: What transformer brings the pd back to safe usable levels at the consumers end?

A: To determine,What transformer brings the pd back to safe usable levels at the consumers end.

Q: A heart pacema ker fires lo9 times a minuty eachtime a a5 (bya batterin seriu wHh a resisTor) TO…

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Q: What is the value of the unknown voltage indicated in the picture. Assume that the wire connected to…

A: The unknown voltage indicated in the picture.

Q: Calculate the power dissipated by a 2Ω resistor if the potential difference across it is 1V.

A: Given Data : The resistance is given as R=2 Ω The potential difference is given as V = 1 V

Q: 59. Starting with emf2 = -M- ΔΙ show that the units of Δι inductance are (V · s)/A = 2 · s.

A: Here, in the equation M is a mutual inductance, which has the same unit as inductance Emf unit is V…

Q: What determines the severity of a shock? Can you say that a certain voltage is hazardous without…

A: Shock is when a large current pass through a human body, interfering with the normal functioning.

Q: Which of the following correc circuit with a switch, powered by a capacitor?

A: As per guidelines only first question is solved here. Option 1 consists of circuit with switch,…

Q: When a 1-Ω resistor, a 2-Ω resistor, and a 3-Ω resistor, are connected in series to a common DC…

A: Draw the circuit diagram of the arrangement as:

Q: Verify that the units of ΔΦ / Δt are volts. That is, show that 1 T ⋅ m2 / s = 1 V .

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Q: In electromagnetic induction, explain why does the voltmeter behave the way you observe it?

A: Given: In electromagnetic induction, explain why does the voltmeter behave the way you observe it?…

Q: 4) the frequency of the voltage source. Show aii work. 160 120 80 40 6 8 16 1820x10 4 10 12 14 -3…

A: Given to us is a graph of time dependent voltage trace. We are required to find frequency of the…

Q: In electromagnetic induction, explain the principle why the voltmeter behave the way we observe it?

A: The voltmeter has a large resistance. So, the low current flows in the circuit because the…

Q: How can you decide if a wire is infinite?

A: Let us suppose the length of the wire is 20 m (or 20,000 mm) and we want to calculate the magnetic…

Q: Discuss the following electrical properties of fresh produce (e.g. fruits and vegetables): a.…

A: Given: Asked to explain the electrical properties of fresh fruits and vegetables

Q: If The pot emtial aliff era ve nce bet wween the t of m electric motor Ls 245V is flowing.hrooth…

A: Given  Potential difference between the terminals of electric motor V = 245 V Electric current  I =…

Q: Before working on a power transmission line, linemen will touch the line with the back of the hand…

A: The body muscles gets contracted when high voltage passes through a human body. This contraction…

Q: Find the rms current in

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Q: How would you shape a given length of wire to give it the greatest self-inductance? The least?

A: The expression for the self inductance is,

Q: Why small energy losses do occur in transformers?

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Q: Just as every circuit has a small amount of extra resistance in the wires, which we usually neglect,…

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Q: A cylindric mica insulator to be used between a 100 kV DC line and ground has a diameter of 5 cm.…

A: V=100 kV=100×103 VI=1nA=1×10-9Ad=5 cm=0.05 mρ=1×1012 Ωm (standard value of resistivity of porcelain)

Q: Why are ordinary circuit breakers and fuses ineffective in preventing shocks?

A: The ordinary circuit breakers and fuses are inefficient in preventing shocks because they are only…

Q: -7. An electric motor draws a current of 10A with a voltage of 110V. The output shaft develops a…

A: Given data: I=10 AV=110 VT=10.2 N.mN=1000 rpm Need to determine the electric power required by the…

Q: An alternating current is given by i = 2cos(50pt – 0.4) amperes, where t is time in seconds.…

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Q: What is the advantage of placing the two insulated electricwires carrying ac close together or even…

A: The two insulated wires carrying current are twisted around each other or kept very close to each…