Potentiometer
1.Primary standard of emf saturated( Saturated Normal Weston cell )
2.Secondary Standard of Emf ( Unsaturated Weston cell )
3. Zener-controlled voltage source (Laboratory standard of Emf. )
1.Primary standard of emf saturated( Saturated Normal Weston cell )
2.Secondary Standard of Emf ( Unsaturated Weston cell )
3. Zener-controlled voltage source (Laboratory standard of Emf. )
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