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Useful Formulae
Useful Formulae
Note: Enter known values in the yellow fields to calculate the unknowns
Temperature:
| ºF = (ºC*1.8) + 32 | ºC =(ºF - 32)/1.8 | ||
| Deg C | Deg F | Deg F | Deg C |
| 20.5 | 68.9 | 68.9 | 20.5 |
| ºK = ºC + 273.15 | |||
| ºR = ºF + 459.67 | |||
Ohms Law:
V = (I)*R V = volts, I = current in amperes, R = resistance in ohms
| Volts: | 120 | 120 | 120 |
| Amperes: | 0.5 | 0.5 | 0.5 |
| Resistance (ohms): | 240 | 240 | 240 |
Power:
P = V*(I) P = Power in watts, V = voltage, I = current in amperes
P = (I)2*R P = Power in watts, R = resistance in ohms, I = current in amperes
P = (V)2/R P = Power in watts, V = voltage, R = resistance in ohms
| Voltage: | 120 | 120 | 120 |
| Current, A: | 0.25 | 0.25 | 0.25 |
| Resistance, ohms: | 480 | 480 | 480 |
| Power, watts: | 30 | 30 | 30 |
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Contact Information
Contact: Manager Shi
Tel: 86-13815010681
Tel: 86-519-86755292
Fax: 86-519-86756526
Email: stone578@163.com
Address: Building 9, No. 16 Luofu Mountain Road, Xinbei District, Changzhou City, Jiangsu Province
