A standard cooling fan is essentially a bladed DC motor. By varying the voltage input across the acceptable range for a fan, the speed of the fan will increase (to added voltage) and decrease (to reduced voltage); a faster fan means more air moved and thus a higher heat exchange rate.
Contact them toll-free from a Vodacom cellphone by dialing 111. Contact them toll-free from a Telkom phone by dialing 0800-111-234. Note: Telkom toll-free numbers are generally NOT toll-free when dialed from a MTN/Vodacom cellphone.
Given below are state wise Customer Care Numbers of Vodafone in India along with their respective Support Email-idâs to whom you can address your complaints via email. 1  Andhra Pradesh : 9885098850 / [email protected]  Assam : 9706097060 / [email protected]