What is electric current?, Voltage drop, Energy loss, Charge flow, Magnetic field, SI unit of current?, Ampere, Ohm, Watt, Volt, Instrument to measure current?, Voltmeter, Ammeter, Potentiometer, Galvanometer, Instrument connected in series?, Voltmeter, Battery, Capacitor, Ammeter, SI unit of resistance?, Ohm, Coulomb, Tesla, Ampere, Ohm's law relation?, R = ρ/A, P = VI, V = IR, Q = It, Potential difference unit?, Henry, Volt, Ohm, Joule, Resistance depends on?, Sound, Color only, Shape only, Length, Resistivity unit?, Ohm, Volt metre, Ampere metre, Ohm metre, Combination in household wiring?, Circular, Series, Parallel, Mixed only, What is drift velocity?, Average drift, Random collision, Light speed, Electron speed, Current density is measured in?, Ω·m, V/m, C/s, A/m², Formula for current density?, J = IR, J = I/A, J = VA, J = ρl, Microscopic Ohm's law is?, V = IR, P = VI, J = σE, R = ρl/A, Conductivity is reciprocal of?, Resistivity, Current density, Resistance, Potential, Unit of conductivity?, Ω·m, V/m², A·m, S/m, Resistance of wire is directly proportional to?, Diameter, Length, Temperature only, Area, Resistance of wire is inversely proportional to?, Length, Resistivity, Area, Voltage, Unit of resistivity?, Ω·m, V/C, A/m², S/m, Temperature coefficient of metals is usually?, Negative, Positive, Zero, Infinite, Temperature coefficient of semiconductors is usually?, Positive, Constant, Zero, Negative, Cell emf is measured by?, Galvanometer, Voltmeter, Potentiometer, Ammeter, Internal resistance belongs to?, Cell itself, Connecting wire, External load, Switch only, Terminal voltage equals emf when?, Circuit closed, Resistance is zero, Cell charging, Current is zero, Formula for terminal voltage?, V = IR/r, V = E - Ir, V = E + Ir, V = Er, Cells in series increase?, Area only, Current capacity, Equivalent emf, Resistance only, Cells in parallel increase?, Current capacity, Equivalent emf, External resistance, Wire length, Kirchhoff's first law is based on?, Energy conservation, Momentum conservation, Charge conservation, Mass conservation, Kirchhoff's second law is based on?, Charge conservation, Energy conservation, Mass conservation, Impulse conservation, Wheatstone bridge is used to measure?, Current, Power, Voltage, Unknown resistance, Bridge is balanced when galvanometer shows?, High voltage, Zero deflection, Maximum current, Infinite resistance, Meter bridge works on principle of?, Ohm's heating, Electrolysis, Wheatstone bridge, Mutual induction, Potentiometer measures potential difference by?, Magnetic effect, Heating effect, Chemical effect, Null method, Potentiometer is more accurate because it draws?, No current, Leakage current, Alternating current, Large current, Electrical power formula is?, P = VI, P = IR, P = Rt, P = V/I.

Current Electricity - Chapter 9

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