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The original "up to eleven" knobs in the 1984 film This Is Spinal Tap "Up to eleven", also phrased as "these go to eleven", is an idiom from popular culture, coined in the 1984 film This Is Spinal Tap, where guitarist Nigel Tufnel demonstrates a guitar amplifier whose volume knobs are marked from zero to eleven, instead of the usual zero to ten.
10 −3: 1 – 5mA: Cathode ray tube electron gun beam current [2] 10 −2: 10 mA Through the hand to foot may cause a person to freeze and be unable to let go [1] 20 mA Common light-emitting diode (constant current); also deadly limit for skin contact (at 120–230 V) 80 mA Upper limit for TENS modeled for 500 Ω [3] 10 −1: 150 mA
An ammeter (abbreviation of ampere meter) is an instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. For direct measurement, the ammeter is connected in series with the circuit in which the current is to be measured.
where E is the electric field vector with units of volts per meter (analogous to V of Ohm's law which has units of volts), J is the current density vector with units of amperes per unit area (analogous to I of Ohm's law which has units of amperes), and ρ "rho" is the resistivity with units of ohm·meters (analogous to R of Ohm's law which has ...
A schematic representation of long distance electric power transmission. From left to right: G=generator, U=step-up transformer, V=voltage at beginning of transmission line, Pt=power entering transmission line, I=current in wires, R=total resistance in wires, Pw=power lost in transmission line, Pe=power reaching the end of the transmission line, D=step-down transformer, C=consumers.
[3] [4] The amplifiers produce 60 watts RMS at full power, and include a half power (30/60) switch. An improved version of the single-channel amp was released in 1980 which included reverb, an additional stage of gain, and optional foot switchable gain boost. These guitar amps were the first to employ a matched quartet of Sylvania 6V6GT output ...
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Mesa-Boogie "Mark IV", a guitar combo amplifier The Mesa/Boogie Mark Series is a series of guitar amplifier made by Mesa Engineering (more commonly known as "Mesa/Boogie"). "). Originally just referred to as "Boogies", the product line took on the moniker "Mark Series" as newer revisions were put into produ