Which is the reason to electrical shock voltage/current?

83 views
Electrical shock happens for voltage/current?
by

1 Answer

Answer :

The severity ofelectric shockdepends on thecurrentflowing through the body, which is a function of the electromotive force (E) involts, and the contact resistance (R) in ohms.

Like 0 like
by

Please log in or register to answer this question.

Related questions

150 views
What kills, current or voltage?

Description : What kills, current or voltage?

Last Answer : Current would kill. You can actually have thousands of bolts going through you and not even know it. Yes you probably know already voltage is current times resistance. Since your body is a resistor it would take just a small amount of current to create a very high voltage

3 answers
115 views
Why inductor current lags inductor voltage ?

Description : Why inductor current lags inductor voltage ?

Last Answer : Inductor is a wire wounding structure having a core material it induces emf which is opposite to the voltage supply and proportional to rate of change of current so current lags the voltage in inductor

1 answer
146 views
Explain lagging quantity and leading quantity, explain this concept with voltage and current waveform

Description : Explain lagging quantity and leading quantity, explain this concept with voltage and current waveform

Last Answer : When two alternating quantities attain their respective zero or peak values simultaneously, the quantities are said to be in-phase quantities. When the quantities do not attain their respective zero or ... current is leading the voltage or the voltage is said to be lagging behind the current.

1 answer
130 views
Step-down transformer converts high voltage and low current into:

Description : Step-down transformer converts high voltage and low current into:  (A) How voltage and high current (B) High voltage and low current (C) Low voltage and high current (D) None of the above

Last Answer : Step-down transformer converts high voltage and low current into: Low voltage and high current

1 answer
267 views
Which of the following is the least expensive protection for over current in low voltage system?

Description : Which of the following is the least expensive protection for over current in low voltage system?  (A) Rewireable fuse (B) Isolator (C) Oil Circuit breaker (D) Air break circuit breaker

Last Answer : Which of the following is the least expensive protection for over current in low voltage system?  (A) Rewireable fuse (B) Isolator (C) Oil Circuit breaker (D) Air break circuit breaker

1 answer
130 views
A current controlled voltage source is equivalent to :

Description : A current controlled voltage source is equivalent to :  (A) series voltage feed -back amplifier (B) shunt current feed -back amplifier (C) shunt voltage feed -back amplifier (D) series current feed -back amplifier

Last Answer : A current controlled voltage source is equivalent to : shunt voltage feed -back amplifier

1 answer
123 views
A network that consists of at least a voltage source or current source is called

Description : A network that consists of at least a voltage source or current source is called A) Active network B) Ideal network C) Sourced network D) Outsourced network

Last Answer : A network that consists of at least a voltage source or current source is called Active network

1 answer
111 views
Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life.

Description : Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life. 

Last Answer : 1) Effect on Current:- In LED current depends upon supply voltage, if voltage get changes then current also change but this change in current will be control by resistors which are connected in series.  2) ...   4) Effect on Life:- If supply voltage is not stable then life of LED get reduced. 

1 answer
334 views
With the help of N-channel JFET describe the effect of input voltage VGS on output current ID.

Description : With the help of N-channel JFET describe the effect of input voltage VGS on output current ID.

Last Answer : Working of N channel FET: * When a voltage is applied between the drain and source with a DC supply (VDD), the electrons flows from source to drain through narrow channel ... where the channel gets completely blocked and the drain current becomes zero is called pinch- off voltage. 

1 answer
731 views
Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage

Description : Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage

Last Answer : Definition of parameters of OPAMP is follows:  i) Input Offset Voltage: Input offset voltage is defined as the voltage that must be applied between the two input terminals of an OPAMP to null or ... to ground) and output voltage is obtained non zero such voltage is output offset voltage of opamp.

1 answer
166 views
A linear network has a current input 4cos(ω t + 20º)A and a voltage output 10 cos(ωt +110º) V. Determine the associated impedance.

Description : A linear network has a current input 4cos(ω t + 20º)A and a voltage output 10 cos(ωt +110º) V. Determine the associated impedance.

Last Answer : Solution

1 answer
99 views
Source transformation voltage source to current source and vice versa

Description : Source transformation voltage source to current source and vice versa

0 answers
2.7k views
Define: 1) voltage ratio, 2) current ratio, 3) transformation ratio of transformer.

Description : Define: 1) voltage ratio, 2) current ratio, 3) transformation ratio of transformer.

Last Answer : 1) Voltage ratio: The voltages in primary and secondary winding is proportional to number of turns in primary and secondary respectively. So, the voltage ratio is same as transformation ratio. V2/V1 = N2 ... as transformation ratio of transformer. It is denoted by K. K = N2/N1

1 answer
411 views
Write the relation between phase and line current, phase and line voltage for Star connection.

Description : Write the relation between phase and line current, phase and line voltage for Star connection.

Last Answer : Line voltage is equal to root three times of phase voltage and line and phase currents are equal in star connection

2 answers
2.7k views
A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current

Description : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω  

Last Answer : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω  

1 answer
346 views
Which of the following theorems enables a number of voltage (or current) source to be combined directly into

Description : Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source. (1) compensation theorem (2) reciprocity theorem (3) superposition theorem (4) Millman's theorem

Last Answer : Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source. (1) compensation theorem (2) reciprocity theorem (3) superposition theorem (4) Millman's theorem

1 answer
189 views
The internal resistances of an ideal current source, and an ideal voltage source are, respectively,

Description : The internal resistances of an ideal current source, and an ideal voltage source are, respectively, (A) 0, ∞ (B) ∞, ∞ (C) ∞, 0 (D) 0,0

Last Answer : The internal resistances of an ideal current source, and an ideal voltage source are, respectively, ∞, 0

1 answer
88 views
A network is said to be under resonance when the voltage and the current at the network input terminals are

Description : A network is said to be under resonance when the voltage and the current at the network input terminals are (A) in phase (B) out of phase (C) in phase quadrature (D) in phase, and have equal magnitudes

Last Answer : A network is said to be under resonance when the voltage and the current at the network input terminals are in phase

1 answer
156 views
In order that current should flow without causing excessive heating or voltage drop, the relay contacts should?

Last Answer : In order that current should flow without causing excessive heating or voltage drop, the relay contacts should have low contact resistance, be clean and smooth, be of sufficient size and proper shape.

1 answer
169 views
Why does increase in current mean a decrease in voltage?

Description : Why does increase in current mean a decrease in voltage?

Last Answer : This is because current flows from high potential to low potential to bring the two diffrent potential to unity , thus  a reduced potential (voltage)

1 answer
124 views
according to ohms law voltage directly proportional to current but it is reverse in transformer why?

Description : About trnsformer

Last Answer : Acc to Ohms law V=IR but it is only applicable when our resistance R is constant, as in case of transformer we take impedence which is equivalent to resistance is not constant it varies with system parameters that why Ohms law not applicable in case of transformer

1 answer
937 views
When a voltage of one volt is applied, a circuit allows one micro ..

Description : When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is?

Last Answer : If v = 1 volt and i = 1 micro amp, i= 10^(-6)   So R = V/I,  R= 1/10^(-6) , R= 10^6  And now Conductance G = 1/R  So G = 10^(-6) mho..... Answer

2 answers
19 views
Refer to the circuit below. The total absorbed (consumed) power is:

Description : Refer to the circuit below. The total absorbed (consumed) power is:

0 answers
93 views
Draw the Delta connected three phase system showing all the voltages and currents.

Description : Draw the Delta connected three phase system showing all the voltages and currents. Write the power equation.

0 answers
1.7k views
what is gate turn off thyristor (GTO)?

Description : Draw the structural diagram of GTO. Explain briefly the switching behavior of GTO with the help of appropriate voltage and current waveform.

Last Answer : Gate Turn Off Thyristor (GTO) Conventional Thyristor can be turned on with gate terminal but can not turn off from gate terminal. But in case of Gate Turn Off Thyristor (GTO), we can turn it on and off ... subdivided as storage period (Ts), fall period (Tp) and tail period (Tt).

1 answer
978 views
When an alternating current passes through an ohmic resistance the electrical power converted into heat is?

Description : When an alternating current passes through an ohmic resistance the electrical power converted into heat is?

Last Answer : When an alternating current passes through an ohmic resistance the electrical power converted into heat is true power.

1 answer
129 views
why is it that when the frequency of a voltage in an inductor increases current decreases?

Description : A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current decreases.

Last Answer : The question seems to be wrong. Increase in frequency would actually decrease the current through the Inductor. This happens because inductive reactance Xl is directly proportional to frequency. And if frequency increases the value of Xl would ... vice versa. Xl= 2*pi*f*L I=E/Z Z=sqrt(R^2+Xl^2)

1 answer
173 views
Why is it cheaper to transmit electrical energy at high voltage?

Description : Why is it cheaper to transmit electrical energy at high voltage?

Last Answer : Because of the electrical energy was step upped by transformers the transformer have high efficiency than the electric energy is cheaper

1 answer
13 views
a dc generator has a terminal voltage of 250V and an induced voltage of 262V when the generator is loaded. the brush drop is 1volt peer brush and the armature resisatance is 0.03 ohm and the shunt field circuit resistance is 35 ohms. neglect armature reaction and determine the following: the load current the power of the load the percentage voltage regulation.

Description : a dc generator has a terminal voltage of 250V and an induced voltage of 262V when the generator is loaded. the brush drop is 1volt per brush and the armature resistance is 0.03 ohm ... reaction and determine the following: the load current the power of the load the percentage voltage regulation.

0 answers
118 views
The inrush current of a transformer at no load is maximum if the supply voltage is switched on

Description : The inrush current of a transformer at no load is maximum if the supply voltage is switched on  (1) at peak voltage value (2) at zero voltage value (3) at half voltage value (4) at 0.866 time voltage value

Last Answer : At 0.866 time voltage value

2 answers
164 views
Define: i) Knee voltage ii) Reverse saturation current

Description : Define: i) Knee voltage ii) Reverse saturation current 

Last Answer : i) Knee voltage : The applied forward voltage, at which the PN junction starts conducting and current starts increasing exponentially is called knee voltage. It is 0.7V for Si and 0. ... semiconductor diode caused by diffusion of minority carriers from the neutral regions to the depletion region.

1 answer
213 views
The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be :

Description : The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be :  (A) 34.64 kVA (B) 75 kVA (C) 20 kVA (D) None of the above

Last Answer : The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be : 34.64 kVA

1 answer
128 views
If resistance is 8 Ohm and current is 16 ampere then what will be the voltage and power?

Description : If resistance is 8 Ohm and current is 16 ampere then what will be the voltage and power?

Last Answer : 128 volts ,2048 watts

2 answers
226 views
Direct Current (DC)

Description : Direct Current (DC) Next Topic : Alternating current (AC)

Last Answer : Direct Current (DC) is the unidirectional electric current. Uni meaning is one. And the flow of charge in same direction. We know that conventional current flow from positive terminal of battery to ... The magnitude of DC may constant or vary but direction do not change with respect to time.

3 answers
185 views
Alternating current (AC)

Description : Alternating current (AC)

Last Answer : AC stands for Alternating Current meaning voltage or current that changes polarity or direction respectively over time. An Alternating Current (AC) is an electric current whose magnitude ... energy are known as alternators and are simpler construction than DC electromechanical generators.

2 answers
106 views
Does current flow through a capacitor ?

Description : Does current flow through a capacitor ?

Last Answer : Imagine a pipe with a flexible diaphram in the middle separating two haves of the pipe. Now the pipe is filled with air. If you apply a pressure to one end the diaphram will deform ... capacitor, the effects on electrons will be recreated across the boundary. But theres no electrical connection...

1 answer
424 views
A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?

Description : A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?

Last Answer : The current is 10.0A.  1ampere = 1 Coulomb per 1 second.  0.1Coulombs ÷ 0.01seconds = 10.0amperes.

1 answer
5.3k views
Describe the difference between direct and alternating current.

Description : Describe the difference between direct and alternating current.

Last Answer : Direct current is the flow of electricity or charge in one direction..  Alternative current is the flow of charge that doesn't flow in one direction. 

4 answers
100 views
Explain why potential difference is necessary to produce current in a circuit.

Description : Explain why potential difference is necessary to produce current in a circuit.

0 answers
2.6k views
Kirchhoff's Current Law

Description : Kirchhoff's Current Law

Last Answer : Kirchhoff's current law

1 answer
71 views
Current ratio

Description : Current ratio

Last Answer : Current ratio

1 answer
2.6k views
Current divider rule

Description : Current divider rule

Last Answer : Current divider rule

1 answer
80 views
Current formula

Description : Current formula

Last Answer : Current formula

1 answer
80 views
Capacitive current formula

Description : Capacitive current

Last Answer : Capacitive current formula

1 answer
170 views
How to find total impedance Z, current I and Impedance angle ?

Description : How to find total impedance Z, current I and Impedance angle ?

Last Answer : How to find total impedance Z, current I and Impedance angle ?

2 answers
1.1k views
List out any four effects of electric current used in measuring instruments & write name of meter working on it.

Description : List out any four effects of electric current used in measuring instruments & write name of meter working on it.

Last Answer : Effects of Electric Current used in measuring instruments:  1. Magnetic Effect: PMMC and Moving Iron type Ammeters, voltmeter and Dynamometer type wattmeters etc.  2. Electromagnetic induction ... . Electrostatic effect: Voltmeters.  5. Hall Effect: Flux meter, Poynting vector wattmeter.

1 answer
129 views
State various effects of electric current and explain any one.

Description : State various effects of electric current and explain any one.

Last Answer : Effects of Electric Current:  1. Magnetic Effect: When a current is passed through a conductor, magnetic field is produced round the conductor. Due to this field when current carrying ... The rise in temperature is converted into elongation of hot wire element causes displacement of pointer. 

2 answers
113 views
In a series R-C circuit, with the increase in frequency, current

Description : In a series R-C circuit, with the increase in frequency, current (A) Reduces (B) Increases (C) Does not change (D) Becomes zero

Last Answer : In a series R-C circuit, with the increase in frequency, current Increases

1 answer
486 views
A 1000Ohm, 1 Watt resistor can safely pass a current of

Description : A 1000Ohm, 1 Watt resistor can safely pass a current of

Last Answer : A 1000 Ohm, 1 Watt resistor can safely pass a current of 30 mA

1 answer
249 views
For a round wire, the approximate value of fusing current is given by

Description : For a round wire, the approximate value of fusing current is given by

Last Answer : For a round wire, the approximate value of fusing current is given by  K√d3

1 answer
...