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A current of 10 MA through human body will-
- a)Cause mild sensation
- b)Affect muscle control
- c)Affect breathing
- d)Cause death
Correct answer is option 'A'. Can you explain this answer?
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A current of 10 MA through human body will-a)Cause mild sensationb)Af...
EFFECTS OF ELECTRICAL CURRENT IN THE HUMAN BODY Current Reaction Below 1 Milliampere Generally not perceptible 1 Milliampere Faint Tingle 5 Milliampere Slight shock felt. Not painful but disturbing. Average individuals can let go. Strong involuntary reactions can lead to other injuries. 6 to 25 Milliampere (women) Painful shocks. Loss of muscle control. 9 to 30 Milliampere (men) The freezing current or “let go” range. If extensor muscles are excited by shock, the person may be thrown away from the power source. Individuals cannot let go. Strong involuntary reactions can lead to other injuries. 50 to 150 Milliamperes Extreme pain, respiratory arrest, severe muscle reactions. Death is possible. 1.0 to 4.3 Amperes Rhythmic pumping action of the heart ceases. Muscular contraction and nerve damage occur; death is likely. 10 Amperes Cardiac arrest, severe burns, death is probable.
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Use your electrical smarts and follow these safety Do’s and Don’ts:
Do’s Don’ts Only use plugs that fit the outlet. Make sure that electrical connections are tight. Check that the wire insulation is in good condition. Keep machines and tools properly lubricated. Use extension cords only when necessary and only if they are rated high enough for the application. Use waterproof cords outside. Only use approved extension lamps. Leave at least 3 feet of workspace around electrical equipment for instant access. Keep your work area clean. Be especially careful with oily rags, paper, sawdust, or anything that could burn. Follow manufacturer’s instructions for all electrical equipment. Leave electrical repairs to skilled maintenance personnel and licensed electricians. Don’t overload outlets or motors. Don’t let grease, dust, or dirt build up on machinery. Don’t place cords near heat or water. Don’t run cords along the floor where they can be damaged. Don’t touch anything electric with wet hands. Don’t put anything but an electric plug into an electric outlet. Don’t use temporary wiring in place of permanent wiring.
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A current of 10 MA through human body will-a)Cause mild sensationb)Af...
Effects of Electric Current on Human Body
Electric current can have different effects on the human body depending on its strength and duration. Here are some possible effects:
Mild Sensation
When a current of 10 milliamperes (MA) passes through the human body, it may cause a mild sensation or tingling, but it is not harmful. This level of current is below the threshold of perception for most people and is equivalent to the current that flows through a typical LED flashlight.
Affect Muscle Control
When a current of 1 to 5 amperes (A) passes through the human body, it can affect muscle control and cause involuntary contractions or spasms. This level of current can be dangerous if it affects the muscles that control breathing or the heart.
Affect Breathing
When a current of 5 to 15 amperes (A) passes through the human body, it can cause paralysis of the respiratory muscles and stop breathing. This level of current can be lethal if not treated promptly.
Cause Death
When a current of more than 15 amperes (A) passes through the human body, it can cause severe burns, tissue damage, and cardiac arrest. This level of current is usually fatal and requires immediate medical attention.
Conclusion
In summary, a current of 10 MA through the human body will cause a mild sensation or tingling, but it is not harmful. However, higher levels of current can have more severe effects on muscle control, breathing, and even cause death. It is important to take precautions when working with electricity and to seek medical attention if you experience an electric shock.
Electric current can have different effects on the human body depending on its strength and duration. Here are some possible effects:
Mild Sensation
When a current of 10 milliamperes (MA) passes through the human body, it may cause a mild sensation or tingling, but it is not harmful. This level of current is below the threshold of perception for most people and is equivalent to the current that flows through a typical LED flashlight.
Affect Muscle Control
When a current of 1 to 5 amperes (A) passes through the human body, it can affect muscle control and cause involuntary contractions or spasms. This level of current can be dangerous if it affects the muscles that control breathing or the heart.
Affect Breathing
When a current of 5 to 15 amperes (A) passes through the human body, it can cause paralysis of the respiratory muscles and stop breathing. This level of current can be lethal if not treated promptly.
Cause Death
When a current of more than 15 amperes (A) passes through the human body, it can cause severe burns, tissue damage, and cardiac arrest. This level of current is usually fatal and requires immediate medical attention.
Conclusion
In summary, a current of 10 MA through the human body will cause a mild sensation or tingling, but it is not harmful. However, higher levels of current can have more severe effects on muscle control, breathing, and even cause death. It is important to take precautions when working with electricity and to seek medical attention if you experience an electric shock.
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A current of 10 MA through human body will-a)Cause mild sensationb)Affect muscle controlc)Affect breathingd)Cause deathCorrect answer is option 'A'. Can you explain this answer?
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