Electric Current
Telangana Board · Class 10 · Physical Sciences
All formulas from Electric Current in Telangana Board Class 10 Physical Sciences. Key equations, constants, and identities for board exam preparation.
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Formulas
1. Basics of Electric Current
I = Q/t
1 Ampere = 1 coulomb/1 Second
I = nqAv_d
v_d = I/(nqA)
2. Potential Difference and EMF
V = W/q = F_e l/q
1V = 1J/C
ε = W/q = F_e d/q
3. Ohm's Law and Resistance
V = IR
1 Ω = 1V/A
R = ρl/A
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