A large water tank has a hole in its wall near the bottom. The water level above thehole is '980" "m' . The horizontal distance fromthe hole at which water touches the ground, if the bottom of water tank is '9.8" "m' abovethe ground
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Yes, Water Level Indicator is made of non-isolated power supply, can make fetal injures. In Low cost devices DC current is converted from AC current with non-isolated techniques, which are dangerous and any fault occues can directly transfer AC into Water. It is always better to work as if there is always danger exist. Switch off Main Supply for few minutes or Call your electrician for fixing it.
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