Insert array data on plugin activation

You may please use this code that will help you to insert data into database

register_activation_hook( __FILE__, 'my_plugin_create_db' );

function my_plugin_create_db() {
global $wpdb;
    $table_name1 = $wpdb->prefix . "woo_currency";
    $curr_name = array('Dollars', 'Ruble', 'Riel');
    $curr_symbol = array('$', 'p.', '៛');

    $insert = $wpdb->insert($table_name1,
            array(
                'name' => $curr_name,
                'symbol' => $curr_symbol,
            ),array('%s', '%s'));

}

Hope this will help you to achieve your goal.