transformer - a device that increases or decreases voltage in an AC circuit, step-down transformer - input voltage is higher than the output voltage, step-up transformer - the input voltage is lower than the output voltage,

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?