Internal mechanism of a mechanical clock
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Gears and solenoid are the key points to explain working principle of mechanical clock. Gear law and solenoid are the two built-in mechanism for a clock to work and give proper time. Here for understanding the working principle of mechanical clock I will explain the gear law and solenoid.
principle behind mechanical clock

After this I will give an example of internal structure of clock means howsecond , minute and hour hand rotates proportionally and with respect to each other.
SOLENOID :
According to BIOT-SAVART law when current flow through conductor a magnetic field will develop around it . According to right hand grip rule thumb shows the direction of current and bind fingers shows the direction of magnetic field. When such conducting wire coiled around a tube it will developed a magnetic poles as north pole and south pole.

Now this magnetic field is responsible for rotation of primary gear in mechanical clock. Solenoid is designed such that it rotates primary gear. This primary gear rotates the seconds-hand gear such that it complete one rotation in 60 sec.
I will show you an example of gears in internal structure of mechanical clock. You can design it in any in any ratio but keeping some thing constant and those are
Seconds hand RPS (round per second) =1/60 i.e. it will complete 1 rotation in 60 sec.Minutes hand RPM (round per minute)=1/60 i.e. it will complete 1 rotation in 60 min.Hours hand RPH (round per hour)=1/12 i.e. it will complete 1 rotation in 12 hrRemember some conversions such as : 60 rpm = 1 rps and hence the RPS of minute hand will be 1/3600 i.e. one round per 3600 sec.
same for RPH : 60 rph =1 rpm and so the RPM of Hr hand will be 1/720 .
Gears and solenoid are the key points to explain working principle of mechanical clock. Gear law and solenoid are the two built-in mechanism for a clock to work and give proper time. Here for understanding the working principle of mechanical clock I will explain the gear law and solenoid.
principle behind mechanical clock

After this I will give an example of internal structure of clock means howsecond , minute and hour hand rotates proportionally and with respect to each other.
SOLENOID :
According to BIOT-SAVART law when current flow through conductor a magnetic field will develop around it . According to right hand grip rule thumb shows the direction of current and bind fingers shows the direction of magnetic field. When such conducting wire coiled around a tube it will developed a magnetic poles as north pole and south pole.

Now this magnetic field is responsible for rotation of primary gear in mechanical clock. Solenoid is designed such that it rotates primary gear. This primary gear rotates the seconds-hand gear such that it complete one rotation in 60 sec.
I will show you an example of gears in internal structure of mechanical clock. You can design it in any in any ratio but keeping some thing constant and those are
Seconds hand RPS (round per second) =1/60 i.e. it will complete 1 rotation in 60 sec.Minutes hand RPM (round per minute)=1/60 i.e. it will complete 1 rotation in 60 min.Hours hand RPH (round per hour)=1/12 i.e. it will complete 1 rotation in 12 hrRemember some conversions such as : 60 rpm = 1 rps and hence the RPS of minute hand will be 1/3600 i.e. one round per 3600 sec.
same for RPH : 60 rph =1 rpm and so the RPM of Hr hand will be 1/720 .
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Answer:
Theory. Planck's constant (h), a physical constant was introduced by German physicist named Max Planck in 1900. The significance of Planck's constant is that 'quanta' (small packets of energy) can be determined by frequency of radiation and Planck's constant
Explanation:
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